(idiomatic) Alternative form of here you are

Used to ask whether a seat near the interlocutor is currently occupied (by someone temporarily absent).

Asked to call upon a doctor to come forth from a group of people.

(Ireland, colloquial) Introduces a topic which is (actually or jocularly) grave or sensitive; listen up; I wanted to tell/ask you

(Australia, UK, vulgar) Used to indicate one has serious business to pursue and should not be wasting time.

(idiomatic) To have become very frustrated or angry; to have reached the limit of one's patience or forbearance.

(idiomatic) An expression of frustration upon seeing or hearing something bad repeated.

(informal, sarcastic) Said to prompt the interlocutor to stop looking lustfully at the speaker's body.

Used to express (often sarcastically) that someone has in some way displayed their ignorance, unfamiliarity, or incompetence.

Things are fleeting; something that is ubiquitous or popular at one point is soon forgotten.