A White Chimp out is when a white person removes his/her facade as a civilized human being and releases his/her Inner White Chimp; as in to start acting violent and out of control. Basically to start TNB'ing; randomly Jumping/beating someone, murder, rape...you know, the typical.
I was trying to reason with that client, but all of a sudden he chimp out on me and started screeching, became violent, and started beating random people around. We had to call the police to control him.
by leodle June 9, 2011
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