(colloquial, humorous) Used to indicate an unusual or unexpected situation.

Used other than figuratively or idiomatically: see are, you, deaf. / (idiomatic, sarcastic) A rhetorical question asked to confront a nondeaf interlocutor who has failed to hear something.

Asking if the listener is OK (e.g. not hurt).

Used to ask whether the interlocutor does or doesn't have a (romantic) partner.

(colloquial) Alternative form of you bet

(slang) You are in a bad situation, but I have no sympathy.

plural of thank-you

(idiomatic, colloquial, chiefly Commonwealth of Nations, may have disparaging nuance) You (plural).

(humorous) thank you

(colloquial) Yourself and your family or loved ones, usually in salutations.