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The act of acting like a monkey. ie; acting like a nigger
Those nigs are chimpin out
by *DWB* January 25, 2019
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2
Can be when you've had too much ket and your freakin out, but not freaking out freaking out, just like things are a bit weird.
Guy 1 - "Shii, i'm chimpin out man"

Guy 2 - "Innit man that stuff sends ya west"
by coldbeans January 15, 2012
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