What is a stomach?

The stomach is the internal organ that digests our food. It’s in the centre of the body. It’s often referred to as ‘belly’ or ‘tummy’. The plural is ‘stomachs’.

stomach idioms list

Your stomach does more than just digest food, it’s also where you feel emotions! From nervous butterflies to gut feelings, there are plenty of English idioms that use the stomach to describe emotions, instincts, and reactions. Whether you’re feeling queasy with nerves, sick with worry, or trusting your gut, these stomach-related phrases add colour to conversations. Check out this list of common stomach idioms and their meanings!

idiomatic expressions with body parts - stomach

beer belly

meaning – a big stomach due to eating/drinking too much
example – We need to go on a diet after our holiday. We’ve got beer bellies.

belly idioms - beer belly meaning

can’t stomach someone/something

meaning – dislike, hate, can’t tolerate
example – I can’t stomach that new boy in our class, he’s rude and obnoxious.

common stomach idioms and expressions in English - can't stomach

cast-iron stomach

meaning – can eat weird and wonderful food and not feel sick
example – I thought I had a cast iron stomach, but I was violently sick for the first 6 days of my holiday.

common stomach idioms and expressions in English - cast-iron stomach

eyes bigger than one’s belly

meaning – take more food than you can eat
example – We always have eyes bigger than our bellies when we go to sushi restaurants.

belly idioms - eyes bigger than one’s belly meaning

go belly up

meaning – go spectacularly wrong
example – My new business venture went belly up in the first 6 months. I’m back working in a factory.

belly idioms - go belly up meaning

hard/difficult to stomach

meaning – hard to accept something that is wrong/unpleasant
example – Watching children beg on the street is hard to stomach.

common stomach idioms and expressions in English - hard to stomach

have butterflies in one’s stomach

meaning – your stomach feels funny because you are scared, nervous, anxious etc.
example – I had butterflies this morning, but they went just before the exam.

Cartoon illustration of a nervous woman waiting for her date in a bar, holding a cocktail. A speech bubble says, "I’m waiting for my date. I really like him; I’ve got butterflies in my stomach." A bartender is pouring a drink, and another customer is sitting at the bar. Below, a purple box explains the idiom "have butterflies in one's stomach" with its meaning and example sentence.

haven’t got the stomach for something

meaning – not brave enough to do something unpleasant or daring
example – I couldn’t be a surgeon; I haven’t got the stomach for it.

common stomach idioms and expressions in English - haven't got the stomach for

turn one’s stomach

meaning – make you feel sick/disgusted
example – Our stomachs were turning on the rollercoaster.

common stomach idioms and expressions in English - turn one's stomach - turn one's stomach

You can download a table of ‘stomach’ idioms and expressions below.

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