Someones girlfriend or boyfriend or someone they're talking to.
Boy: "Hey boo, come to my crib tonight."
an informal slang term used particularly in Australia that means intercourse, pronounced “boose”
the adventure chine had a solid boos with her, jarrad saw her and instantly wanted to boos, do we?
when you disagree with something
bill deblasio: no cars
nyc: BOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
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*