Until death, until the afterlife. / (colloquial) At overly frequent intervals.

Alternative form of until the cows come home

(informal) Until very late; until the small hours.

Indefinitely, until a further notification is given to the contrary.

(slang, LGBT) A woman of high school or college age who is experimenting with or adopting a temporary lesbian or bisexual identity.

plural of lesbian until graduation

(UK) Until the maximum amount has been extracted.

In the absence of proof to the contrary; accepted by default.

(idiomatic) For a very long period of time.

(duration, idiomatic) For a hopelessly long time; used especially in respect to discussing, explaining, insisting, etc.