The word is used to describe graffiti vandal payback. To cain a grafitti artists artwork is to write 'is wack' over the top of their name or to the side with an arrow pointing to their name.

A big d*ck son of a b*tch.

To consume rapidly, with regards to drugs.
Cained is to have used it all.

slang for dope, coke, angeldust, white powdery substance, cocaine, mainly columbian but you gotta see Pablo Escobar for that.

when ur really really stoned, beyond the point of bein pleasantly high yet not quite whiteying yet

Short for Hurricain, the largest storm on earth.