The Cheshire cat grin is “a smile with far too many teeth on display, where the mouth doesn’t match up with the eyes, going practically from ear to ear,” according to TV Tropes.

DEAR PET TALK: What is a Cheshire Cat? Theatre Kid DEAR THEATRE KID: That is a very timely question. I have just directed the play, “Alice in Wonderland” which just opened at Stratton Players ...