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Another idiom that means the same as.."Gone bananas"....but taking it to a much higher level.
"Holy Shit Joey dat guy went bannanas.. nahh Nicky he went fuggin Apeshit! After all apeshit is bananas!
by divewave November 28, 2007
29 11
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 apeshit when Jimmy-Joe puked up four moon pies on his '68 Dodge Dart.
by 6079 Smith W March 21, 2005
1406 153
Really going crazy or nuts over or about something.
Dan is going ape shit about how cool his new car is. Or - Dan went ape shit when he found out his wife left him.
by Dan Sheehan February 13, 2004
639 91
adj. An undignified loss of control, as in "To go apeshit".
"After losing the election, George went apeshit, trashing the Oval Office, the War Room, and the Clinton Memorial Bedroom."
by JJ July 13, 2004
629 259
To flip out on someone or go crazy.
Sally went ape shit when I pulled it out of her ass and hit her in the face with it.
by CaptainShank February 11, 2004
409 88
to act in an insane manner.
I told Rob I slept with his girl and he went ape shit on me.
by Colonel Krackers March 13, 2003
258 79
Extreme anger or a state of insanity stemming from anger. When someone goes fucking crazy.
Donkey Kong went completely apeshit when King K Rool stole all the bananas from his cave.
by DeRosset March 01, 2008
204 65
To loose all sense of reason. Said apeshitter will often start to speak in some strange language where the only recognisable words are "fuck" and other curses.
He really let out the fucker inside.
by Gumba Gumba February 21, 2004
331 203