Used to indicate to the interlocutor that the situation being talked about could only be properly understood if that person had been present.

(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