Animal Idioms
An idiom is a phrase or expression whose meaning isn't obvious from the individual words. Instead, these phrases have meanings that are understood through common usage.
215 Animal Idioms
All bark and no bite: Someone who talks tough but doesn't act on their threats.
Ants in your pants: Unable to sit still or stay calm due to excitement or restlessness.
As busy as a bee: Very busy and active.
As gentle as a lamb: Very gentle and kind.
As happy as a clam: Very happy and content.
As strong as an ox: Very strong.
As stubborn as a mule: Very stubborn and unwilling to change.
As wise as an owl: Very wise and knowledgeable.
At a snail's pace: Very slowly.
At the drop of a hat: Immediately and without hesitation.
Back the wrong horse: Support someone or something that fails.
Barking up the wrong tree: Making a mistake or false assumption.
Be a fly on the wall: Be able to observe a situation without being noticed.
Beat a dead horse: Waste effort on something that has no chance of succeeding.
Bee in your bonnet: Preoccupied or obsessed with an idea.
Bird's-eye view: A view from a high angle as if seen by a bird in flight.
Birds of a feather flock together: People with similar interests or characteristics tend to associate with each other.
Black sheep: A member of a family or group who is regarded as a disgrace.
Blind as a bat: Having very poor eyesight.
Busy as a beaver: Very busy and hardworking.
Cat got your tongue: Unable to speak, often due to shyness or embarrassment.
Cat nap: A short, light sleep.
Cat's out of the bag: A secret has been revealed.
Chicken out: To decide not to do something due to fear.
Clam up: To suddenly stop talking or refuse to speak.
Cold turkey: Suddenly and completely stopping a habit or addiction.
Copycat: Someone who imitates another person.
Crocodile tears: Fake tears or insincere show of emotion.
Cry wolf: Raise a false alarm.
Curiosity killed the cat: Inquisitive behavior can lead to trouble.
Dark horse: A previously unknown person or thing that emerges to prominence.
Dead as a dodo: Completely dead or obsolete.
Dog days: The hottest days of summer.
Dog-eat-dog: Ruthlessly competitive.
Dog's breakfast: A complete mess.
Don't count your chickens before they hatch: Don't assume success until it actually happens.
Drink like a fish: Drink excessively.
Duck to water: Take to something very naturally and easily.
Dumb as an ox: Very stupid.
Dust bunny: A ball of dust and fluff.
Eager beaver: A very enthusiastic and hardworking person.
Eagle eye: Very observant.
Early bird catches the worm: Success comes to those who prepare well and put in effort early.
Eat crow: Admit you were wrong.
Eat like a horse: Eat a lot.
Egg on your face: Embarrassed or humiliated.
Elephant in the room: An obvious problem or issue that people avoid discussing.
Escape the rat race: Leave the competitive world of work.
Every dog has its day: Everyone gets a chance at success eventually.
Expose the wolf in sheep's clothing: Reveal someone who is pretending to be something they are not.
Face the music: Confront the consequences of your actions.
Feather your nest: Enrich yourself at the expense of others.
Fish out of water: Uncomfortable in a particular situation.
Flogging a dead horse: Waste time on a hopeless situation.
Fly on the wall: Someone who observes something without being noticed.
Fox in the henhouse: Someone who causes trouble in a vulnerable situation.
Free as a bird: Completely free.
Frog in your throat: Unable to speak clearly due to a sore throat.
Fussy as a hen: Overly concerned with details.
Gentle as a lamb: Very gentle and kind.
Get off your high horse: Stop acting superior.
Get your ducks in a row: Get organized.
Go ape: Become very excited or angry.
Go to the dogs: Deteriorate or go badly.
Gone to the dogs: Deteriorated.
Goosebumps: Small bumps on the skin caused by fear or excitement.
Grass is always greener on the other side: Other people's situations always seem better than your own.
Guard dog: A dog trained to protect property.
Guinea pig: Someone who is used as a subject in an experiment.
Hair of the dog: An alcoholic drink taken to cure a hangover.
Happy as a lark: Very happy.
Have a cow: Get very upset.
Hit the bullseye: Achieve the exact desired result.
Hit the hay: Go to bed.
Hive of activity: A place full of activity.
Hold your horses: Wait a moment.
Horse around: Play roughly.
Hound dog: A person who is very determined.
Hungry as a bear: Very hungry.
Idle hands are the devil's workshop: Inactivity leads to trouble.
In a pig's eye: Very unlikely.
In the catbird seat: In a superior or advantageous position.
In the clutches of a croc: In a very dangerous situation.
In the dog days: During the hottest days.
In the doghouse: In trouble or disfavor.
In the eagle's nest: In a high or advantageous position.
In the lion's den: In a very dangerous or hostile situation.
It's raining cats and dogs: It's raining very heavily.
Itchy as a flea: Very itchy.
Jack of all trades: Someone who can do many different types of work.
Jealous as a cat: Very jealous.
Jellyfish handshake: A weak handshake.
Jockey for position: Compete for a better position.
Join the rat race: Enter the competitive world of work.
Jump on the bandwagon: Join a popular trend.
Jump the shark: When something that was once popular begins to decline.
Jump through hoops: Do a lot of complicated things to achieve something.
Jungle law: The survival of the fittest.
Just a little bird told me: I heard it from a secret source.
Keep a weather eye open: Stay alert.
Keep the wolf from the door: Avoid poverty or hunger.
Keep your eye on the ball: Stay focused.
Keep your head above water: Survive with difficulty.
Kick the bucket: Die.
Kill two birds with one stone: Achieve two goals with one action.
King of the hill: The person in the highest position.
Kitten caboodle: The whole thing.
Knee-high to a grasshopper: Very young or very small.
Knock on wood: Avoid bad luck.
Let sleeping dogs lie: Avoid interfering in a situation that is currently causing no problems.
Let the cat out of the bag: Reveal a secret.
Like a bat out of hell: Very fast.
Like a bull in a china shop: Very clumsy.
Like a fish out of water: Uncomfortable in a particular situation.
Like shooting fish in a barrel: Very easy.
Like two peas in a pod: Very similar.
Like water off a duck's back: Have no effect.
Lion's share: The largest portion.
Lone wolf: Someone who prefers to act alone.
Mad as a hatter: Completely crazy.
Mad as a hornet: Very angry.
Make a beeline: Go straight toward something.
Make a mountain out of a molehill: Exaggerate a small problem.
Make hay while the sun shines: Take advantage of a good situation.
Memory of an elephant: Very good memory.
Monkey business: Mischievous or deceitful behavior.
Monkey see, monkey do: Copying someone without understanding why.
More fun than a barrel of monkeys: Very fun.
Mutton dressed as lamb: A middle-aged woman dressed in clothes suitable for a younger woman.
Nest egg: Savings set aside for future use.
Nettle grasping: Dealing with a difficult situation decisively.
Night owl: Someone who stays up late.
Nipping at your heels: Closely following or threatening.
Nose to the grindstone: Work hard and continuously.
Not a spring chicken: No longer young.
Not enough room to swing a cat: Very small space.
Nothing to crow about: Nothing to brag about.
Nudge the needle: Make a slight improvement.
Nurse a snake in your bosom: Be betrayed by someone you trust.
Odd duck: A strange or eccentric person.
Off the leash: Free from control.
Old dog, new tricks: Someone who is resistant to change.
On a wild goose chase: A futile search or pursuit.
On the lamb: On the run.
On the prowl: Searching for something.
One-trick pony: Someone who is skilled in only one area.
Open a can of worms: Create a complicated situation.
Out of the frying pan into the fire: From a bad situation to a worse one.
Outfox someone: Outsmart someone.
Pack rat: Someone who hoards things.
Pig in a poke: Something bought without seeing it first.
Pig out: Eat a lot.
Play possum: Pretend to be asleep or dead.
Proud as a peacock: Very proud.
Pull the wool over someone's eyes: Deceive someone.
Puppy love: Adolescent love.
Purr like a kitten: Be very content.
Put a bug in someone's ear: Suggest something to someone.
Put the cart before the horse: Do things in the wrong order.
Quack doctor: A fraudulent doctor.
Quack like a duck: Talk foolishly.
Quake like a leaf: Tremble with fear.
Queen bee: The most important woman in a group.
Queer fish: A strange person.
Quibble like a quail: Argue over trivial matters.
Quick as a bunny: Very quick.
Quiet as a graveyard: Very quiet.
Quiet as a mouse: Very quiet.
Quitting cold turkey: Suddenly stopping a habit.
Rabbit trail: A misleading or distracting path.
Rare as hen's teeth: Very rare.
Rat race: A competitive struggle for success.
Ravenous as a wolf: Very hungry.
Red herring: Something that distracts from the main issue.
Ride the goat: Experience initiation or hazing.
Roll with the punches: Adapt to difficult circumstances.
Rooster crowing: Boasting.
Ruffle feathers: Upset or annoy someone.
Running with the pack: Following the crowd.
Sacred cow: Something that is immune from criticism.
Sitting duck: An easy target.
Sly as a fox: Very clever and deceitful.
Smell a rat: Suspect something is wrong.
Snail mail: Traditional postal mail.
Snake in the grass: A treacherous person.
Stir up a hornet's nest: Provoke trouble.
Stool pigeon: An informant.
Straight from the horse's mouth: From a reliable source.
Swim with sharks: Deal with dangerous people.
Tail between the legs: Feeling ashamed or defeated.
Take the bull by the horns: Confront a problem head-on.
Teach an old dog new tricks: Teach someone new skills.
The lion's den: A dangerous situation.
Thick as thieves: Very close friends.
Tiger by the tail: A difficult situation to control.
Toady up: Flatter someone excessively.
Tongue tied: Unable to speak due to nervousness.
Top dog: The most important person.
Turn turtle: Capsize or turn over.
Ugly duckling: An unattractive child who becomes beautiful as they grow.
Unleash the dogs of war: Release chaos or conflict.
Until the cows come home: For a very long time.
Up with the larks: Wake up early.
Vulture eye: An evil or malevolent look.
White elephant: A burdensome or costly possession.
Wild goose chase: A futile pursuit.
Wise as an owl: Very wise.
Wolf in sheep's clothing: Someone who pretends to be harmless but is actually dangerous.
Work like a dog: Work very hard.
Worm your way out: Escape a difficult situation cleverly.
Write like a monkey: Write messily or poorly.
Yappy as a little dog: Very talkative.
You can't teach an old dog new tricks: It is difficult to change someone's habits.
Zebra stripes: Unique characteristics.
Zonked out: Extremely tired or asleep.