(idiomatic) An arbitrary (non-specific) point in time, too close to a deadline to reasonably begin a critical task.

(idiomatic) Very close to a deadline.

Alternative form of last-ditch

(Christianity) The Passover meal that Jesus ate with his disciples on the night before his death.

An artistic representation of this event.

(idiomatic) Final, as a last resort; done in desperation.

the waning lunar phase halfway between full moon and new moon.

(US) A compliment heard about another person, offered to be repeated to that person in exchange for another repeated compliment about the speaker.

Just before it is too late; in the nick of time. / Done or occurring at the latest possible time before an event.

(idiomatic) every; without exception; used for emphasis