(fiction, art) (human's) eye with a shape evocative of a cat's eye, large and almond-shaped

tortoiseshell cat

(slang) cat huffing

(idiomatic) tiny, not enough room to swing a cat; literally, “a cat’s forehead”

everyone and their dog; literally “cats and ladles too”

to give something valuable to someone who does not understand that value: to cast pearls before swine

a Schrödinger's cat

prostitute

will you marry me

A stock phrase in Japanese pop culture supposedly used by the wife in a newly-wed couple to invite her new husband to bed.