(idiomatic) When one is in the middle of a process, activity, or conversation, to adjust rapidly, effectively, and intelligently to new developments or changing circumstances.

Alternative form of out of one's mind

(card games, slang) Either card of the rank of jack commonly depicted in the profiles of the jack of spades or jack of hearts.

plural of one-eyed jack

Alternative form of out of one's mind

Insane, crazy. / Temporarily mentally unstable; very distressed. / Under the influence of drugs.

(idiomatic) To act defensively.

Used other than figuratively or idiomatically: see have, one's, eye, on. / To watch. / To seek, to pursue.

Alternative form of know one's own mind

(idiomatic, vulgar, slang) To ejaculate, cum, inseminate, or defecate