a term for someone or something that is lame.
not good. Something you disagree with.
A word used when you don't like an action that is occurring. such as the movie hook's "bad form"
1. you can't come to the party? Boo!
2. you told me you were sick, your performance was Boo

"Hey you got a nice ass can i have it?"
"Boo!!! hell no!"
by M!ZZ. July 03, 2009
The act of moving your bowels.

Take a dump.
Pull over, I gotta boo.

My stomach hurts, I gotta boo.
by chillifromphilli June 04, 2009
A word used by a girl to slowly choke the independence away from someone she cares about. Usually interpreted as harmless and affectionate, a significant person in your life introduces this word as a caring pet name. This is a disguise for the shackles just attached to your manhood by your girl.
"He's MY boo!"

"Hey boo, what you doin' tonight?
Spending time with me, not your boys?"
by Ozoneparadise February 23, 2007
1. a jeer used by the audience at a performace, game, etc, to show disapproval

2. to utter the jeer mentioned above

3. marijuana

4. a supposedly frightening exclamation such as a ghost might say
When he failed to get a home run, the audience booed him.
by Light Joker May 23, 2006
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