Can be used as either a noun or a verb. As a noun, chimp describes someone who departs from a public house or club early to return to one's domicile. This could be for a variety of reasons: too ripped up to continue drinking, being ejected by bouncers (a corollary of being ripped) or being under the thumb. The verbal form is used to describe this act of baling out early: thus 'to chimp out'.
The Dwix chimped out again last night. He is such a chimp.
by Yume89 May 10, 2004
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(Verb)

To lose all human control and revert back to one's simian roots. Usually resulting from seeing an attractive woman or, if you are a comic book fan, a mint copy of The Avengers #1.
Did you see that girl at the club that I was talking to last night? I was really chimping for her.

Mark looked at the woman and began to chimp heavily.
by Masner May 1, 2009
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Infantile or mischeivous individual. A person with a childlike sense of humour.
by M McGraw February 22, 2003
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(verb): to masturbate furiously or to ejaculate, while making loud monkey noises.
(noun): semen; ejaculate; spunk.
(1): Dude, I can't believe you chimped all over my couch!
(2): Wipe that chimp up before I beat your ass!
by Big Chimper June 4, 2003
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1. (noun): an anthropoid ape (Pan troglodytes) of equatorial Africa that is smaller and more arboreal than the gorilla

2. (noun): Pete Sampras (usually used with "the" and capitalized)
1. The chimp is smarter than The President.

2. The Chimp was one of the greatest tennis players of all time.
by orion October 7, 2003
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Describing a repulsive smelly creature, born of the human species, but acting as though he were a primate. Nappy dark hair, gross teeth, small red haired mating parter. Often attempts to read books, posters, and magazines, always failing. Communicates by making a series of noises like, "ooo ahhh ehhh ahhh ooo". Smells like an asshole.
hey chimp!!!! ooo oo ahh ahh!!!! go eat a banana you retard.
by Stephanie and Andrew May 7, 2008
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