An exclaimation of coolness. But also can be used in the opposite and can denote something fkd up happening. Liek woot but liek waaay better. Used by online gamers liek my brother and his clan mates.
Player1: Man look at the that gay-ass bot, wtf does it thinks its doing?
Player2: Yer man, that was chimpeh
Player1: That head shot was chimpeh
Player2: Yeh man it was woot