Chimpin out
The act of acting like a monkey. ie; acting like a nigger
Those nigs are chimpin out
Chimpin Out
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"
Guy 2 - "Innit man that stuff sends ya west"