Definitions by lol.it.babe=)

Boo 

Basically it means like forget you.

*1. Someone keeps staring at you, you say "Boo Bitch! Whatchu lokkin at?!?!?!"

*2. Girl 1: Hey can you hang out today???

Girl 2: No sorry...

Girl 1: Boo, you whore!!! You suck.

Boo by lol.it.babe=) June 3, 2009