Idioms bring colour and character to language, offering unique ways to express ideas and emotions. On this page, we’re diving into the fascinating world of cat idioms – phrases inspired by our feline friends. From “let the cat out of the bag” to “curiosity killed the cat,” these expressions are packed with personality, rich origins, and practical examples. Whether you’re looking to enhance your English skills or simply love quirky language, this guide has you covered!

What is a cat?

You all know what a cat is right? If not, I’ll tell you…

A cat is a fluffy domesticated feline that is usually kept as a pet. A baby cat is called a ‘kitten’, a male cat is called a ‘tom’ and a slang term for a cat is ‘kitty’.

 

Larger cats include lions, tigers and leopards. These larger cats are found in the wild.​

cat idioms and expressions list

Here’s a list of idioms about cats with some picture examples.

common idioms - animal idioms - cat expressions and phrases

cat got one’s tongue

meaning – a comment you make to someone when they are quiet
example – I think the cat has got Harry’s tongue; he hasn’t said a word all morning.

cat sayings - cat got one’s tongue

cat nap

meaning – a short sleep
example – When we arrive, we should have a cat nap then go exploring.

cat sayings - cat nap

cat’s whiskers

meaning – someone/something that is excellent/superior
example – Leanne thinks she’s the cat’s whiskers. She’s just an idiot.

cat sayings - cat’s whiskers

copycat

meaning – a person who copies another person
example – There have been lots of copycat crimes recently.

cat phrases - copycat

curiosity killed the cat

meaning – being inquisitive can be dangerous
example – Don’t ask where I got the money from. Curiosity killed the cat.

cat phrases - curiosity killed the cat

fat cat

meaning – a rich and powerful person who earns more than they deserve
example – A couple of fat cats want to invest in my business, they believe in my products.

cat phrases - fat cat

fight like cat and dog

meaning – argue and fight continuously
example – Me and my brother fought like cat and dog when we were kids.

cat phrases - fight like cat and dog

grin like a Cheshire cat

meaning – have a very big smile on your face
example – Luke asked me to marry him. I’ve been grinning like a Cheshire cat all week.

cat phrases - grin like a Cheshire cat

kitty

meaning – a pool of money contributions for shared use by everyone
example – Let’s start a kitty for the house. We can use it for cleaning products and toilet roll.

cat expressions - kitty

let the cat out (of) the bag

meaning – reveal the secret
example – We’re throwing a surprise party for my parents, don’t let the cat out of the bag.

A brightly decorated room set up for a surprise party with gifts, a pink frosted cake, balloons, and drinks on display. A woman in a blue dress is in the foreground, saying, "It's party day! I can’t believe nobody let the cat out the bag." Below the image, the idiom "let the cat out (of) the bag" is defined as "reveal a secret (often unintentionally or by accident)," with an example sentence: "We’re throwing a surprise party for my parents, don’t let the cat out the bag.

like a cat on a hot tin roof

meaning – be anxious, agitated, nervous
example – The kids are like cats on a hot tin roof. It’s exam results day.

cat idioms - like a cat on a hot tin roof meaning

like the cat that got the cream

meaning – be very pleased with yourself
example – Seb is like the cat that got the cream now he is dating Sophie.

cat expressions - like the cat that got the cream

look what the cat dragged in

meaning – imply someone who has just arrived looks bad or you don’t like them
example – Look what the cat dragged in. Do you remember her? It’s that witch who lives on Southmead.

cat expressions - look what the cat dragged in

more than one way to skin a cat

meaning – there are many ways to accomplish a goal
example – I didn’t get tickets to the concert, but there is more than one way to skin a cat.

cat expressions - more than one way to skin a cat

no room to swing a cat

meaning – a very small, cramped space
example – They gave me a new office. It’s nice but there is no room to swing a cat.

cat idioms - no room to swing a cat

not a cat in hell’s chance

meaning – no chance at all
example – There is not a cat in hell’s chance Tina will take Larry back after he cheated on her.

cat idioms - not a cat in hell's chance

play cat and mouse

meaning – tease/pursue before turning violent
example – I’ve been playing cat and mouse with this hot guy, but I think he has got bored of my games.

cat idioms - play cat and mouse

put the cat among the pigeons

meaning – do something that will cause trouble/a disturbance
example – I won’t tell Sarah I saw Tim with another woman, I don’t want to put the cat among the pigeons.

cat idioms - put the cat among the pigeons

rain cats and dogs

meaning – raining heavily
example – It rained cats and dogs all week, I couldn’t hang out my washing.

cat idioms - rain cats and dogs

scaredy cat

meaning – a wimpy person who is easily frightened
example – Lilly is such a scaredy cat. She won’t come to the cemetery with us tonight for a séance.

cat idioms - scaredy cat

lion idioms

Here’s a list of idioms about lions.

lion idioms and sayings

the lion’s share

meaning – the majority
example – Jay gave the lion’s share of his lottery win to charity.

lion idioms and sayings - lion's share

You can download a table of cat idioms and expressions below.

If you’ve enjoyed this page, don’t forget to check out some more animal idioms by clicking on the links below.