Alternative form of you all

(idiomatic, chiefly as imperative, derogatory, colloquial, dismissal) go away

The pronoun you, used to refer to an unspecified person or to people in general.

(idiomatic) An informal greeting, not requiring a literal response. In form a question, and thus followed by a question mark. Typical responses include:

An expression of gratitude or politeness in response to something done or given.

(informal, idiomatic) Used, often after a short list, to show that further examples are unnecessary; all kinds of things.

(Wales) see here

(colloquial, chiefly Canada, US, Australia, New Zealand, South Africa, Britain) You (plural).

(idiomatic, Britain, colloquial) An intensified version of what or huh.

(US, Midwestern US and Appalachia) You (plural, as subject or object).