Boo

Used to spook anyone at anytime.
Just hide behind a corner and say boo in a monotone voice at someone turning that corner they instantly die of spookedness

Person1: boo
Person2: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Person2: *actually dies*

by Meme man the madlad December 22, 2020

boo

As in Boo of Monsters Inc.

Sulley: Boo!
Boo: Kitty!

by Monsters Inc Rules! October 30, 2003

boo boo

1-a cut, scrape, or bruise.
2-a term for your ass-hole.

1- ow i got a mother fucking boo boo!
2- i'd shoot a three-pointer for you judge but then i'd have to stick my thumb up my boo boo

by The facechild December 6, 2003

Boo

This term is used to describe a love for a significant other. This is a synonym for words such as baby, honey, sugar, my love, darling, and pumpkin.

My boo, how are you doing today?

by Kalinoa August 26, 2005

boo

a slang term used for marijuana

hey man, you got some boo?

by Lleni January 5, 2008

boo

term used to signify something you don't approve of. origin comes from booing people on stage.

A girl walks by dressed horrifically.

Respones: "look at that girl, now that's a boo"

by jasev May 6, 2004

boo

The act of moving your bowels.

Take a dump.

Pull over, I gotta boo.

My stomach hurts, I gotta boo.

by chillifromphilli June 4, 2009