1) describes being very hyper
and extremely fun to be around. being in a sugared up
state of mind.
2) when exclamed, it is used as a word to express joy.
woo isnt an asian last name, that would be wu
1) bob is so woo after he eats 3 bags of pixie sticks. i just love to be around him and hear all the funny stuff he says, due to his extremely hyper state.
2) im so happy i could shit, woo!