Last updated 07/18/2021

A bird in the hand is worth two in the bush (it's better to be content with what you have than to risk losing everything by seeking more.)

A drop in the ocean

A fate worse than death

A feather in one's cap (mark of achievement)

A fish out of water

A fool and his money are soon parted

A foot in the door

A friend in need is a friend indeed (a person who helps at a difficult time is a truly reliable person)

A horse, a horse, my kingdom for a horse

A la carte (according to a menu or list that prices items separately)

A la mode (1 : fashionable, stylish. 2 : topped with ice cream.)

A man after my own heart

A millstone around one's neck (A heavy burden)

A nest of vipers

A nod is as good as a wink (It is unnecessary to explain or elaborate upon something because one already understands or knows enough about it)

A penny for your thoughts

A picture is worth a thousand words

A Piece of Cake‚Äã

A riddle wrapped up in an enigma

A rolling stone gathers no moss

A rose by any other name would smell as sweet (names of things do not affect what they really are)

A sea change

A skeleton in the closet

A shot in the arm (an encouraging stimulus)

A sight for sore eyes

A stitch in time saves nine

A stone's throw

A tinker's damn (something small, insignificant or worthless)

A watched pot never boils

A wolf in sheep's clothing

Abandon all hope ye who enter here

Above my pay grade

Absent-minded professor

Accidents will happen

Ace in the hole

Achilles' heel

Across the pond

Act of God

Actions speak louder than words

Adversity makes strange bedfellows

After the fact

Against the clock

Against the grain

Agree to disagree

All fingers and thumbs

All Greek to me

All of a sudden

All publicity is good publicity

All singing, all dancing (full of vitality)

All systems go

All that glitters is not gold

All things come to those who wait

All things must pass

All you can eat

All's fair in love and war

All work and no play makes Jack a dull boy

Alter ego
(a person's sense of self-esteem or self-importance.)

An accident waiting to happen

An albatross around one's neck (An annoying burden)

An apple a day keeps the doctor away

An axe to grind

An eye for an eye, a tooth for a tooth

Another day, another dollar

Another think coming

April fool

Arm candy

A.S.A.P. (As soon as possible)

As busy as a bee

As cool as a cucumber

As dead as a doornail

As easy as pie

As easy as taking candy from a baby

As fast as greased lightning

As fit as a fiddle

As good as gold (in a very good condition or state.)

As old as the hills

As snug as a bug in a rug

As the crow flies

As thick as thieves

As white as snow

Ashes to ashes dust to dust

(Ask not) for whom the bell tolls (the church bells which ring when someone has died and it is suggesting to us that we should not ask who has died because eventually the bell will toll for you)

At one fell swoop

At one's wit's end

Baby blues

Back to basics

Back to square one

Back to the drawing board

Bring home the Bacon

Bad egg

Bad hair day

Baker's dozen (Baker's dozen means 13, instead of 12)

Bail out

Ball and chain

Baptism of fire

Barking up the wrong tree

Barrel of laughs

Basket case

Be afraid, be very afraid

Be still, my beating heart

Beast with two backs

Beat around the bush

Beat swords into ploughshares

Beat the living daylights out of someone

Beauty is in the eye of the beholder

Beauty is only skin deep

Bed of roses

Been there, done that

Beer goggles

The Bee's knees

Before the fact

Beggars can't be choosers

Behind every great man there's a great woman

Belle of the ball

Below the belt

Bells and whistles

Better half

Better late than never

Better to have loved and lost than never to have loved at all

Between a rock and a hard place

Beware the Ides of March

Beyond a shadow of a doubt

Beyond belief

The Big Apple

The Big Cheese

A Big fish in a small pond

Better bang for your buck

The Birds and the bees

Birds of a feather flock together

Bite the bullet

Bite the dust

The Bitter end

Black-on-black (Something that is invisible or intentionally obfuscated)

Black sheep of the family

A Blast from the past

Blaze a trail

Bless you! (after a sneeze)

The Blind leading the blind

Bling-bling

Blood is thicker than water (relationships and loyalties within a family are the strongest and most important ones)

Blood, sweat and tears

Blow your mind

Blow your own horn

Blown to smithereens

Blue blood

Once in a Blue moon

Bone dry

Booby trap

Boogie-woogie

Booze cruise

Born with a silver spoon in one's mouth

Boys will be boys

Brand spanking new

Brass monkey

Brass tacks (details of immediate practical importance)

Break a leg

Break the ice

If it ain't broke, don't fix it

Brownie points

The Buck stops here

Bucket list

Buckle down

Bite the Bullet

Bun in the oven

Burn the wick at both ends

Burning the midnight oil (To stay awake late at night to work or study)

Burst Your Bubble

Bury the hatchet

Bury your head in the sand

Butterfingers

By the book

By the short hairs

By the skin of your teeth

Let bygones be bygones

Call a spade a spade

Can't hold a candle to

Can't see the forest for the trees

Carbon-copy

Carpe diem (urge someone to make the most of the present time and give little thought to the future)

Put the Cart before the horse

Cast the first stone

Cat got your tongue?

In the Catbird seat (an enviable position)

The Cat's pajamas

Caught red-handed

A Chain is only as strong as its weakest link

Channel surfing

Charmed life

Cheapskate

Chew the cud (think or talk reflectively)

Chick flick

Children should be seen and not heard

Chip off the old block

Chip on Your Shoulder‚Äã

Chit-chat

Chivalry is not dead

Chop-chop

Chow down

Cleanliness is next to godliness

Cliff-hanger

Cloak and dagger

Clog up

Close, but no cigar

Close quarters

Club sandwich

Don't have a Clue

Clutch at straws

Coat of many colours

Cock-sure

Cogito ergo sum

Coin a phrase

Cold as any stone

Cold enough to freeze the balls off a brass monkey

Cold feet

Cold shoulder

Cold turkey

Colder than a witch's tit

The Collywobbles (stomach pain or queasiness)

Common sense

Complete shambles

Cook the books (alter facts or figures dishonestly or illegally)

Cookie cutter

Cool as a cucumber

Cordon bleu (meat wrapped around cheese, then breaded and pan-fried or deep-fried)

Cost an arm and a leg

Counting sheep

Country bumpkin

The Crack of dawn

Crackpot

The Crapper

Crocodile tears

Crown jewels

Cry havoc and let slip the dogs of war

Cry Over Spilled Milk

Curiosity killed the cat

The Customer is always right

The cut of your jib

Cut off your nose to spite your face

Cut the mustard (come up to expectations; reach the required standard.)

Cut to the chase

Dark horse (little is known but who unexpectedly wins)

The Darkest hour

The Dark side

Dash to pieces

Davy Jones' locker

Your Days are numbered

Dead as a doornail

Dead cat bounce

Dead in the water

Dead ringer

Delusions of grandeur

Deus ex machina

Between the Devil and the deep blue sea (in a difficult situation where you have to choose between two equally unpleasant courses of action)

The Devil makes work for idle hands to do (people who have nothing to do are more likely to get into trouble or commit a crime)

The Devil to pay (serious trouble to be dealt with)
[Hell to pay]

Devil's advocate

Diamond in the rough

A Diamond is forever

Die-hard

The Die has been cast (a process or course of action has been started and that it cannot be stopped or changed)

Dime a Dozen

Different strokes for different folks

Differently abled

Dirt bag

Doesn't know shit from Shinola

Dog days (early July and early September when the hot sultry weather)

Dog is a man's best friend

The Doldrums (a state or period of inactivity)

Dollars to doughnuts (used to emphasize one's certainty)

Don't call us, we'll call you

Don't count your chickens before they are hatched

Don't get mad, get even

Don't go there

Don't let the grass grow under your feet (stop hesitating)

Don't look a gift horse in the mouth (find fault with something that has been received as a gift or favor)

Don't close the barn door after the animals are all gone.

Don't throw the baby out with the bathwater (an avoidable error in which something good is eliminated when trying to get rid of something bad)

Doom and gloom

Double cross

Double Dutch (unintelligible language)

Double entendre

Double standard

Double whammy

Down in the dumps

Down to the wire

Down the tubes

Dragged through a hedge backwards (To look very disheveled or unkempt)

Draw a blank

Dressed to the nines

Drink like a fish

Drop-dead gorgeous

A Drop in the bucket

Dropping like flies

My old Dutch (colloquialism for a partner or friend)

The Early bird catches the worm

Early to bed and early to rise makes a man healthy, wealthy and wise

Ear-mark

Easy as pie

Eat drink and be merry

Eat humble pie

Eeny, meeny, miny, mo

Egg on

Elbow-grease

Elementary my dear Watson

Elephant in the room

Elvis has left the building

Emperor's new clothes

The Empire on which the sun never sets

Enough is enough

Esprit de l'escalier (used to refer to the fact that a witty remark or retort often comes to mind after the opportunity to make it has passed)

Et tu, Brute

Even a worm will turn (a meek person will resist or retaliate if pushed too far)

Even at the turning of the tide (Change from a previously stable course of events)

Every cloud has a silver lining

Everybody out

The Exception, not the rule

Excuse my French

Extraordinary rendition (a performance or interpretation, especially of a dramatic role or piece of music) (the seizure and transfer of a person suspected of involvement with a terrorist group to another country for imprisonment and interrogation without legal process)

Eye candy

Eye for an eye, a tooth for a tooth

The Face that launched a thousand ships

Face the music

Not for the Faint-hearted

Fair and square

Fair dinkum (unquestionably good or genuine)

Fairy-tale ending

Fait accompli (a thing that has already happened or been decided before those affected hear about it, leaving them with no option but to accept it.)

Fall from grace

Fall guy

Fall on your sword

Famous for fifteen minutes

Famous last words (ironic comment on or reply to an overconfident assertion that may well be proved wrong)

Fancy free

Fancy pants

Fashion victim

Fast and loose

Fast asleep

The fat of the land

Fed up

Fellow traveller

Fend for yourself

Fend off

Fiddlesticks

Fiddling while Rome burns

Fie, fih, fo, fum, I smell the blood of an Englishman

Fifteen minutes of fame

Fight fire with fire

Fight the good fight

Filthy rich

Fine as frog's hair (very delicate and fine.. The phrase is facetious as frogs do not possess hair.)

Fine words butter no parsnips (nothing is achieved by empty promises or flattery.)

Finger lickin good

Fingers and thumbs (extremely awkward or clumsy)

Fits to a tee

Five o'clock shadow

Fixer-upper

Flash in the pan

Flat out

Flavor of the month

Flesh and blood

Flogging a dead horse

Fly by night (unreliable or untrustworthy)

Fly by the seat of one's pants

Fly in the ointment (a minor irritation that spoils the success or enjoyment of something)

Fly off the handle

Fly on the wall

Foam at the mouth

Old Fogey

A Fool and his money are soon parted

Fools rush in where angels fear to tread (people without good sense or judgment will have no hesitation in tackling a situation that even the wisest would avoid.)

Fool's errand (a task or activity that has no hope of success.)

Fool's gold

A Foot in the door

For all intents and purposes

For crying out loud

For ever and a day (very long time)

For every thing there is a season

For the birds

Forbidden fruit

Foregone conclusion

Forgive them for they know not what they do

Fork out

Foul play

Four corners of the earth

Friends, Romans, Countrymen, lend me your ears

Frog in the throat - A

From sea to shining sea

Fruits of your loins

The Full Monty (the full amount expected, desired, or possible) (male strip tease)

Full of piss and vinegar (brimming with energy)

Full tilt (maximum energy or force)

Funny farm

Fuzzy wuzzy (Black native of any of various countries, esp one with curled hair.)

Gadzooks (an exclamation of surprise or annoyance)

The Jig is up / The Game is up

Game of two halves (one team plays better in each half of the game)

Gee whiz

Genius is one percent inspiration and 99 percent perspiration

Get medieval

Get off on the wrong foot

Get off your high horse

Get over it

Get behind me Satan

Get used to it

Ginger up (to make (someone or something) more exciting or lively)

Give a man a fish and you will feed him for a day

Give no quarter (no pity or mercy)

Give the Devil his due (acknowledge the good qualities of even a bad or undeserving person.)

Give up the ghost (they stop trying to do something because they no longer believe they can do it successfully.)

Glass ceiling (an unofficially acknowledged barrier to advancement in a profession)

Go berserk

Go haywire

Go out on a limb

Go postal

Go over like a lead balloon

Going to hell in a handbasket

Go whole hog / whole ham (do something completely or thoroughly)

Go to the dogs

A Golden key can open any door (sufficient money, or the promise of it, will allow the possessor of it to do anything they wish.)

A Good man is hard to find

For Good measure

Good riddance

Good Samaritan

Goodnight Vienna (Events have reached a state of completion)

Goody, goody gumdrops

Goody two-shoes

Got my mojo working (bringing charm and acttractiveness of one's self)

Grace of God

Grand slam

Grass is always greener on the other side of the fence - The

Graveyard shift

Great balls of fire

Great minds think alike

Great oaks from little acorns grow

Green eyed monster (jealousy personified)

Grind to a halt

Grinning like a Cheshire cat

Gung ho

Gussied-up

Guts for garters (to state the intention to do them serious harm)

Hair of the dog that bit you (an alcoholic drink taken to cure a hangover.)

Hairy eyeball (a look of disdain or skepticism)

Half-cocked

Half-hearted

Hand over fist

Hands down

Hanged, drawn and quartered

Hanky-panky

Happy as a clam

Happily ever after

Hard and fast

Hard cheese (used to express sympathy over a petty matter.)

Hard lines

Harp on

Harvest moon

Hasta la vista, baby

Haste makes waste

Hat trick

Have your work cut out

He who can, does; he who cannot, teaches

He who laughs last laughs longest

Head over heels

Heads up

Heads will roll

Heard it through the grapevine

Heart's content

Heavens to Betsy

The Heebie-jeebies

Hedge your bets

Hell has no fury like a woman scorned

Hell or high water

High and dry

High and mighty

High as a kite

High five

Get off your High horse

High jinks

High on the hog (n a luxurious style)

High time (a long-awaited event, an appropriate time, or past the appropriate time)

Hissy fit

History is bunk

Hit the ground running

Hit the hay

Hit the nail on the head

Hobby-horse (a preoccupation or favorite topic)

Hocus pocus

Hoity-toity

Hold your horses

Home is where the heart is

Honesty is the best policy

Honey catches more flies than vinegar

Horse-sense

Straight from the Horse's mouth

Hot-blooded

Hot off the press

A House divided against itself cannot stand

Houston, we have a problem

How are the mighty fallen?

Hung, drawn and quartered

Hunky-dory (quite satisfactory)

Hunt and peck (inexpert form of typing in which only one or two fingers are used)

I have not slept one wink

I spy with my little eye

I will wear my heart upon my sleeve

If music be the food of love, play on

If the cap fits

If the shoe fits

If wishes were horses, beggars would ride

If you can't stand the heat, get out of the kitchen

I'll be there with bells on

I'm stumped

Imitation is the sincerest form of flattery

In a pickle

In a quandary

In a nutshell

In for a penny, in for a pound

In like Flynn

In limbo

In my minds eye

In spades

In stitches (laughing uncontrollably)

In the bag

In the club

In the doghouse (in a bad situation because someone is angry at one)

In the limelight

In the nick of time

In the pink (the peak of health or an optimal state)

In the red

In the same boat

In the sticks

In your face

Including, but not limited to

Indian giver

Indian summer (a period of warm or mild weather in late autumn or early winter)

Innocent until proven guilty

Inside out

For all intents and purposes

Is this a dagger which I see before me? (symbolizes the impending murder)

It ain't over till the fat lady sings

It came like a bolt from the blue

It's all grist to the mill (something that can be used for a particular purpose)

It's better to give than to receive

It's not rocket science

Ivory tower (a state of privileged seclusion)

Jack of all trades, master of none

Jam tomorrow (an expression for a never-fulfilled promise)

Jerry built (badly or hastily built with materials of poor quality)

Jimmy Riddle (rhyming slang for going pee or having a piddle)

Joined at the hip

Jot or tittle (a very small amount)

A Journey of a thousand miles begins with a single step

Jump on the bandwagon

Jump the gun

Jump the shark

Jury is still out

Just deserts (the punishment that one deserves)

Just in time

In Kahoots / cahoots (a secret partnership)

Kangaroo court (an unofficial court held by a group of people in order to try someone regarded, especially without good evidence, as guilty of a crime)

Keel over

Keen as mustard (very excited and interested)

Keep a stiff upper lip (staying resolute without giving way to emotion)

Keep at bay

Keep it under your hat (keep something a secret)

Keep schtum (To remain silent; to not say anything.)

Keep the ball rolling

Keep up with the Joneses

Keep your chin up

Keep your hands clean

Keep your distance

Keep your nose clean (you behave well and stay out of trouble)

Keep your nose to the grindstone

Keeping up with the Joneses (doing something in order to show that they have as much money as other people)

Kick the bucket

Kick your heels (to waste time waiting for someone or something)

Alive and Kickin'

King's ransom (a huge amount of money)

Kiss and tell

The whole kit and caboodle

Knee-jerk reaction

Knick-knack

Knight in shining armour

Knock on wood (said after a confident or positive statement, to express a hope for one's good luck to continue.)

Know which side your bread is buttered (to know how to act or how to treat others in order to get what one wants)

Know which way the wind blows

Knuckle down (apply oneself seriously to a task)

Knuckle under (Give in, acknowledge defeat)

La-di-da

Labour of love

La dolce vita (a life of indolence and self-indulgence)

Laid out in lavender (The expression, mostly used in informal contexts, means to criticise someone severely)

La-la land

Lamb to the slaughter

Land-lubber

The Land of nod

Lantern-jawed (having a long hollow jaw that gives the face a drawn appearance.)

Lardy-dardy (excessive elegance)

Lark about (to behave in a silly and enjoyable way)

Last but not least

The Last straw

Laughing-stock

Rest on one's Laurels (be so satisfied with what one has already achieved that one makes no further effort.)

Go over like a Lead balloon (be poorly received.)

Lead-pipe cinch (something very easy or certain ought to be a lead-pipe cinch to find)

Learn the ropes

Left hand doesn't know what the right hand is doing (organization where different members are pursuing opposing or contradictory goals)

Left in the lurch (to leave (someone) without help or protection when it is needed)

Legend in one's own lifetime (to be very famous while you are still alive)

A Leopard cannot change its spots (people cannot change their basic personalities, habits, etc)

Less is more

Let bygones be bygones

Let sleeping dogs lie (avoid interfering in a situation that is currently causing no problems but might do so as a result of such interference)

Let the cat out of the bag

Let them eat cake

Let your hair down

Let's roll

Level playing field

Lickety-split

Lie low

Lies, damned lies and statistics

Life begins at forty

Life's not all beer and skittles

Life's too short

Like a chicken with its head cut off

Like a moth to a flame

Like the Dickens

Like two peas in a pod

A Little knowledge is a dangerous thing

Little pitchers have big ears (Children like to listen to adult conversations and can understand a lot of what they hear)

Live long and prosper

Living daylights

Living off the fat of the land

Living on borrowed time

Lo and behold

Load of codswallop

Lock stock and barrel

Long in the tooth (alludes to a horse's gums receding with age and making the teeth appear longer)

Look before you leap

Loose cannon

Loose lips sink ships

Lose your marbles

Love is blind

Lunatic fringe (an extreme or eccentric minority within society or a group)

Mad as a hatter / Mad as a March hare

Make a bee-line for it

Make haste

Make hay while the sun shines

Make him an offer he can't refuse

Make my day

Make no bones about

Make your hair stand on end

Mal de mer (seasickness)

Man does not live by bread alone (human beings need more than the simple necessities to keep them biologically alive)

Many a little makes a mickle (many small amounts accumulate to make a large amount)

Many are called but few are chosen

Many happy returns

Marital aid (sex toy)

The real McCoy

Meet your Waterloo (to be defeated)

Memory lane

Men in suits

Mend fences

Menage a trois (three-way sex)

Method in my madness

Middle of the road

The pen is mightier than the sword

Mighty oaks grow from little acorns

Mind your Ps and Qs (mind your manners)

Mind's eye

Mint condition

Misery acquaints a man with strange bedfellows (that interesting circumstances can bring together people who otherwise have little in common.)

Miss is as good as a mile (he fact of failure or escape is not affected by the narrowness of the margin.)

Montezuma's Revenge

Moot point

Morbid obesity

More bang for your buck

Morning person

Mother country

Motley crew (an unusual mixed group)

Mouth-watering

Movers and shakers

Moving the goalposts

Much ado about nothing

Your name is Mud (one is unpopular or perhaps in disgrace or embroiled in scandal)

Mull (something) over

Mumbo jumbo

Murphy's Law

My better half

My cup of tea

My cup runneth over

My way or the highway

Nail your colours to the mast

Namby-pamby (lacking energy, strength, or courage; feeble or effeminate)

Near the knuckle (about sex and therefore likely to offend people)

Necessity is the mother of invention (when the need for something becomes imperative, you are forced to find ways of getting or achieving it.)

Neither here nor there

Nest-egg

Never-never land

New kid on the block

In the nick of time

Night owl

Nip and tuck

Nip in the bud

Nitty-gritty

No-brainer

No dice

No holds barred

No laughing matter

No love lost

No man is an island (no one is truly self-sufficient, everyone must rely on the company and comfort of others in order to thrive)

No rest for the wicked

No way, Jose

Nosy parker (a person who is too interested in what other people are doing)

Not by a long chalk (not by any means)

Nothing is certain but death and taxes

Nothing ventured, nothing gained

Now is the winter of our discontent

Nth degree

Nul points (No points (as a score); zero, nothing.)

O ye, of little faith

Off the record

Off with his head

Old as the hills

Old soldiers never die, they simply fade away.

On a wing and a prayer

On cloud nine

On tenterhooks (n a state of suspense or agitation because of uncertainty about a future event)

On the ball

On the button

On the shoulders of giants

Off the wagon

On the warpath

Once bitten, twice shy

Once in a blue moon

One-hit wonder

One for the road

One foot in the grave

One hand washes the other (mutual favors are exchanged)

One small step for man

One stop shop

Oops-a-daisy

Open season

Out of sight

Out of sight, out of mind

Out of the frying pan into the fire

Out of the mouths of babes and sucklings

Out on a limb

Over the moon

Over the top

Paddle your own canoe

Paint the town red (go out and enjoy oneself flamboyantly.)

Panic stations (a situation in which people feel worried and nervous because things need to be done quickly)

Paper tiger (a person or thing that appears threatening but is ineffectual.)

Pardon my French

Pass over to the other side

Pass the buck

Pearls before swine

Pecking order

Peeping Tom

Pell-mell (in a confused, rushed, or disorderly manner.)

Pennies from heaven (unexpected good luck or good fortune)

Penny dreadful (a cheap, sensational comic or storybook)

The penny drops (someone finally understands something after not understanding it for a time)

Penny pinching

A Penny for your thoughts

A Penny saved is a penny earned

Peter out

Petty cash

A Picture is worth a thousand words

Picture-perfect

Pie in the sky

A Piece of cake

Pig in a poke (A pig in a poke is a thing that is bought without first being inspected, and thus of unknown authenticity or quality)

Piggyback

Pigs might fly

Pipe down

A Pipe dream

Piping hot

Pitch black

Pitch dark

The Pits

A Place for everything and everything in its place

Play by ear

Play it again Sam

Play second fiddle

Play the race card

Pleased as Punch

Poetic justice

Point-and-click

Point-blank

Politically correct

Pony up

Pop goes the weasel

The Pot calling the kettle black

Pound of flesh (something one is strictly or legally entitled to, but which it is ruthless or inhuman to demand.)

Power corrupts; absolute power corrupts absolutely

The Powers that be

Praying at the porcelain God

Preaching to the choir

A Pretty penny

Pride comes before a fall

Prime time

Proof is in the pudding

Pull out all the stops

Pull the wool over your eyes

Pull your horns in (to begin to behave in a more careful way)

Pull yourself up by your bootstraps

Pulling one's leg

Push the envelope

Put a damper on

Put a sock in it

Put on your thinking cap

Put the cart before the horse

Put up your dukes

Put your best foot forward

Quality time

Quantum leap

Quid pro quo (a favor or advantage granted or expected in return for something)

Rabbit and pork (Cockney slang for Talk)

Rack and ruin

Rack your brains

Rag-and-bone (collects unwanted household items and sells them to merchants)

Raining cats and dogs

Raining stair-rods

Raise Cain (to cause a commotion, to create a disturbance)

Rank and file (the ordinary members of an organization as opposed to its leaders.)

Read between the lines

Red-letter day (a day that is pleasantly noteworthy or memorable.)

Red herring (something, especially a clue, that is or is intended to be misleading or distracting)

Red in tooth and claw (involving savage or merciless conflict or competition.)

Red tape

Religion is the opiate of the people

Revenge is a dish best served cold

Neither rhyme nor reason

A Riddle wrapped up in an enigma

Riding shotgun

Riff-raff

That Rings a bell

Ring down the curtain (mark the end of an enterprise or event.)

Rinky-dink

Rise and shine

The Road less travelled

Road rage

The Road to hell is paved with good intentions

Rough diamond (a person who is generally of good character but lacks manners, education, or style)

Round Robin (a tournament in which each competitor plays in turn against every other)

Rub of the green (something happening to a golf ball in play that affects its course or status not caused by a player or caddie involved in the match.)

Rule of thumb

Run amok

Run of the mill

Run rings around

Run the gauntlet

Sacred cow

The Salt of the earth (a person or group of people of great kindness, reliability, or honesty.)

Sandwich short of a picnic

Save face

Saved by the bell

Savoir faire (the ability to act or speak appropriately in social situations.)

Say cheese

Scot-free (without suffering any punishment or injury.)

Second-guess

Security blanket

See a pin and pick it up, all the day you'll have good luck; see a pin and let it lie, bad luck you'll have all day

Seek and you shall find

I've Seen better days

Send packing

Separate the sheep from the goats (to judge which people or things in a group are bad and which ones are good)

Seven-year itch

The whole Shebang

Shaggy dog story

Shake a leg

Shakers and movers

Shall I compare thee to a summer's day?

The Short end of the stick

The Shit end of the stick

Shit for brains

Shiver my timbers

The Shot heard 'round the world

Shot in the dark

Show your mettle

Shut your cake-hole

A Sight for sore eyes

Silence is golden

Silver bullet

Sitting pretty

Six ways to Sunday

Skeleton in the closet

Skid row

The sky's the limit

A Sledgehammer to crack a nut

Sleep like a dog

Sleep like a dead horse

Sleep tight

Slush fund

Smoke and mirrors

Sold down the river

Something old, something new, something borrowed, something blue

Son of a bitch

Son of a gun

Sorry sight

Sour grapes

Space, the final frontier

Speak of the Devil

Speak softly and carry a big stick

Spick and span

Spill the beans

Spin doctor

Spitting image

Spring forward, fall back

Spruce-up

Square meal

Stand and deliver (to give up something to someone who demands it)

Stand up guy

Star-crossed lovers

Stark, raving mad

Start from scratch

Steal my thunder

Step up to the plate

Stick in the mud

Stick your oar in (informal disapproving. to say or do something that annoys other people because they have not asked you to join their conversation or activity)

Sticks and stones may break my bones

Stinking rich

A Stitch in time saves nine

Stone the crows (an exclamation of surprise or shock)

Straight from the horse's mouth

Strait-laced

Strait and narrow

Stranger danger

Stranger than fiction - Truth is

The Straw that broke the camel's back (the last in a series of bad things that happen to make someone very upset, angry, etc.)

Strike while the iron is hot

Such is life

Surf and turf

Surfing the Net / Surfing the Web

Survival of the fittest

Suspension of disbelief

Swing the lead (to pretend to be ill and not do something you should be doing)

The Tail wagging the dog (used to describe a situation in which an important or powerful person, organization, etc., is being controlled by someone or something that is much less important or powerful.)

Take a back seat

Take down a peg or two

Take the cake

Take with a grain of salt

Taken aback

Taken for a ride

Talk of the Devil

Talk the talk

Talk to the hand

Tall tale

There's no such thing as a free lunch

Technicolor yawn

Tell me about it

Tempest in a teapot (a great commotion over an unimportant matter.)

That's all folks!

That's one small step for a man, a giant leap for mankind

The apple of my eye

The balance of power

The best defense is a good offence

The best laid schemes of mice and men (every living thing, great or small)

The Big Easy

The call of the wild

The camera cannot lie

The chickens come home to roost (the bad things that someone has done in the past have come back to bite or haunt the individual)

The darkest hour is just before the dawn

The Devil Incarnate

The Devil is in the details

The elephant in the room (a major problem or controversial issue that is obviously present but avoided as a subject for discussion because it is more comfortable to do so.)

The emperor's new clothes (situation in which people believe or pretend to believe in the worth or importance of something that is worthless)

The ends of the earth

The more the merrier

The shoemaker always wears the worst shoes (someone who is an expert in their field will often not focus upon applying that expertise in order to meet his own personal needs)

The toast of the town (A person, male or female, who is admired and very popular in local society)

The third degree (long and harsh questioning, especially by police, to obtain information or a confession)

The upper hand

The usual suspects

The writing is on the wall

The wrong side of the blanket (illegitimacy due to a child being born out of wedlock or through an adulterous relationship)

There's more than one way to kill a cat

There's no place like home

There's one (a sucker) born every minute

Things that go bump in the night

Think outside the box

Through thick and thin

Throw the towel in

Throw your hat into the ring (to announce that one is going to try to win a contest (such as an election) Yet another candidate has thrown his hat into the ring.)

Thumbs up

Ticked off

Tickle the ivories

Tickled pink

Tie the knot

Till the cows come home

Tit for tat

To a T

To be or not to be, that is the question

To boldly go where no man has gone before

To travel hopefully is a better thing than to arrive

Toe the line (accept the authority, principles, or policies of a particular group, especially under pressure.)

Toe-curling (makes you feel very embarrassed)

Toffee-nosed (pretentiously superior; snobbish.)

Tomorrow is another day

Tongue in cheek (in an ironic, flippant, or insincere way.)

Too big for your breeches

Too much of a good thing

Toodle-oo

Tooth and nail

Top dog

Top drawer

Top notch

Top shelf

Topsy-turvy

Touch and go

Touch wood (said after a confident or positive statement, to express a hope for one's good luck to continue.)

Touchy-feely

Tout de suite (immediately; at once.)

Tower of strength (a person who can be relied upon to give a great deal of support and comfort to others.)

Train surfing (train hopping or train hitching)

Trick or treat

True blue

Truth is stranger than fiction

Turn a blind eye

Turn of phrase

Turn the tables

Twenty three skidoo (leaving quickly, being forced)

Twenty four seven

Two cents worth

Two heads are better than one

Under my thumb

Under wraps

Heavy is the head that wears a crown

Up in arms

Up shit's creek without a paddle

Upper crust (the upper classes.)

Oopsie-daisy

Up the ante

Urban legend

Use your loaf (used to tell someone in a slightly angry way to think more carefully about what they are doing.)

Vanish into thin air

Veg out

Vice versa

Vicious circle

Vis-a-vis (in relation to; with regard to.) (a face-to-face meeting.)

Vorsprung Durch Technik (progress through technology)

Walk free

Walk the walk

Walk the plank

Warts and all

Watch the birdie

Watching brief

Wear your heart on your sleeve

Weasel words

Wee-wee

Well read

Wet behind the ears (that they have only recently arrived in a new place or job)

Wet blanket (a person who spoils other people's fun by failing to join in with or by disapproving of their activities.)

What part of "no" don't you understand?

What the dickens

What you see is what you get

What's not to like?

What's up Doc?

When in Rome, do as the Romans do

When pigs fly

When the going gets tough, the tough get going

When the shit hits the fan

Which is which?

Whipper snapper

Whipping boy

Whistle blower

Whistle down the wind

White as snow

White bread

White elephant

Whole-hearted

Wild goose chase

Willy nilly

Win hands down

Wing it

At my Wit's end

Woe is me

Women and children first

Word for word

Wreak havoc

The Wrong end of the stick

Yada yada

Yellow-belly

Yellow Peril

You are what you eat

You can lead a horse to water but you can't make it drink

You can't have your cake and eat it too

You can't teach an old dog new tricks

Young man's fancy (light thoughts of romantic love.)

Young turk (an insurgent person trying to take control of a situation or organization by force or political maneuver.)

You've never had it so good

Zero tolerance