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

(idiomatic) One who wisely settles a difficult matter.

(espionage) Of a spy: to return home after having gone undercover in enemy territory. / (by extension) To gain widespread acceptance in a group or society, especially where there was not any before.

(idiomatic) If a possible worst-case scenario actually occurs. / (idiomatic) If an already bad situation progresses into a catastrophic situation.

Alternative form of until the cows come home

(idiomatic, of an event, thing, person) To emerge, come up; be about to happen; to approach or arrive on the scene; to present (itself or oneself).

Asks for permission to enter a room.

(idiomatic) To make significant progress.

(idiomatic) To initiate an encounter or interaction by behaving in an unrestrainedly aggressive, confrontational, or accusatory manner.

(idiomatic) To rescue (or save) someone from further harm.