Slang & idioms · American English

The expressions you actually hear.

“Bite the bullet.” “When pigs fly.” “Break a leg.” American idioms never mean what they say — so we drew what they say, then explain what they mean, when they fit, and how to say them right.

25 idioms & expressions

Formality
Region / community

bite the bullet

neutral

To force yourself through something unpleasant because you have to — to do the hard thing now and get it over with.

everyday

the ball is in your court

neutral

It's your turn to make a decision or take action — the responsibility has been passed to you.

everyday

hit the nail on the head

neutral

To say or do exactly the right thing — to pinpoint the truth or solution precisely.

everyday

the cold shoulder

neutral

Deliberate, unfriendly silence — ignoring someone to signal you're upset with them.

everyday

ballpark figure

neutral

A rough estimate — not an exact number, just enough to give a sense of scale.

everyday

break the ice

neutral

To say or do something that eases tension and starts a conversation between strangers.

everyday

pulling your leg

casual

Joking with you or teasing playfully — said when someone realizes they're being kidded.

everyday

on cloud nine

casual

Extremely happy — the kind of joy where nothing else matters.

everyday

burning the midnight oil

neutral

Working or studying very late into the night.

everyday

cold feet

casual

Sudden hesitation or nerves about doing something you'd previously committed to — most often used about weddings.

everyday

butterflies in my stomach

casual

A nervous, fluttery feeling — usually before something exciting or scary like a date, a speech, or a big game.

everyday

tie the knot

casual

To get married. A warm, informal phrase commonly used in announcements and small talk.

everyday

when pigs fly

casual

Never — used sarcastically when something is so unlikely you might as well say it's impossible.

everyday

once in a blue moon

neutral

Very rarely. Used to emphasize how seldom something happens.

everyday

call it a day

neutral

To stop working on something for the rest of the day — said when you've done enough or when continuing would be pointless.

everyday

hit the hay

casual

To go to bed and sleep — relaxed, casual way of announcing bedtime.

everyday

hit the road

casual

To leave or start traveling — usually said as you're heading out the door.

everyday

raining cats and dogs

casual

Raining very heavily. Often said with a smile because the image is so absurd — also slightly old-fashioned.

everydayOld-fashioned

cost an arm and a leg

casual

Extremely expensive — far more than you'd want to pay or expected to pay.

everyday

piece of cake

casual

Something very easy to do — used to describe a task that took little effort.

everyday

under the weather

neutral

Feeling sick or unwell — a polite, understated way to say you're not at full strength.

everyday

break a leg

neutral

A way of wishing someone good luck — especially before a performance, audition, or presentation. Theatre superstition: saying "good luck" is considered bad luck.

everyday

spill the beans

casual

To reveal a secret or share information that was supposed to stay hidden.

everyday

nighty night

casual

A sweet, sing-songy way of saying good night — most often used with children, partners, or close friends.

everyday

bun in the oven

casual

A playful way of saying someone is pregnant — used in casual conversation, often when the news is still being shared informally.

everyday

Heard an expression you don’t recognise?

Drop the phrase and we’ll prioritise it in this week’s drafting run — even partial wording works (“something about a bun?”).

American Slang & Idioms — phrases you actually hear