apeshit

a state of anger and rage that produces behavior more closely resembling that of an enraged ape than a human.

from the habit of enraged apes of flinging their own feces at their object of anger (if you haven’t experienced this phenomenon first hand consider yourself blessed).
billy-bob went apesh-t when jimmy-joe puked up four moon pies on his ’68 dodge dart.
really going crazy or nuts over or about something.
dan is going ape sh-t about how cool his new car is. or – dan went ape sh-t when he found out his wife left him.
adj. an undignified loss of control, as in “to go apesh-t”.
“after losing the election, george went apesh-t, trashing the oval office, the war room, and the clinton memorial bedroom.”
to flip out on someone or go crazy.
sally went ape sh-t when i pulled it out of her -ss and hit her in the face with it.
to act in an insane manner.
i told rob i slept with his girl and he went ape sh-t on me.
extreme anger or a state of insanity stemming from anger. when someone goes f-cking crazy.
donkey kong went completely apesh-t when king k rool stole all the bananas from his cave.
to loose all sense of reason. said apesh-tter will often start to speak in some strange language where the only recognisable words are “f-ck” and other curses.
he really let out the f-cker inside.