a face like a cat's arse

a face like a cat's arse

rude slang A very disgruntled or displeased expression, with the lips pursed tightly shut. Primarily heard in UK. She had a face like a cat's arse when I asked her to drive me to the mall. He sat there for the rest of the poker game with a face like a cat's arse once he started losing.
See also: arse, face, like
Farlex Dictionary of Idioms.