Boo is a word that scares everyone, if you see this word you either have to act scared and jump or scream in a funny way. If you don’t Your Gay
Friend draws boo on a paper
You:Oh shit
You*jump*
AH!
6 year old trick or treating: Boo!
Old man giving candy: AHHH! *drops candy*
people use this word to there friends (if they have any)
or to there boyfriend/girlfriend or you can use this word to scare someone
i call my bestest friend boo cuz we are so close i also call other people boo such as shane dawson
hey "boo" how's it going
“AHHHH” wtf you could have scared me to death, do you ever think of anyone but yourself Todd? No, you don’t. And I want a divorce.
Jeremy- “Damn Todd really Fucked up his relationship with Jenna.”
Me- “and it was all over him saying “boo” jeeze”