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22.
1.Verb: An act of maliciousness or resentment. Not always by an entity, commonly used to describe life.

2. Noun: To be of or pertaining to a cold or unfriendly nature.

3. Adjective: Describes an unlikable or rude character, object or idea.
1. Are you trying to boos me right now, man? or

I've been gettin boosed all day today. Life is trying to get at me with it's boosness.

2. That guy is such a boos.

3. Damn, that is a boos sandwich. What is on that??
by Journeyman1991 August 18, 2011
 
23.
boo
i love you in ghost.
"BOO" said the ghost.
"I LOVE YOU TOO" said the girl
by missjoejonas March 25, 2009
 
24.
Boo! is:
- To scare people very much.

And exist Boo to, that means:
- Scare people, but not veryyyy scary.
- Girlfriend or boyfriend.

Justin: Sam, where are you?
*Sam comes and Justin don't sees her*
Sam: Boo!
Justin: Holy sh*t!

---

Justin: Sam, wanna be my boo?
Sam: No f*ckin' way!
by D£V!L November 01, 2008
 
25.
boo
Word used when expressing your disdain when somebody changes their mind about something, i.e. after something improves and is worthy of their notice.
You didn't say boo to the White Sox until they won the world series.

That guy never said boo to you until you lost all that weight.
by Paddlegurl November 08, 2005
 
26.
boo
someone you love or adore
that's my boo
by barunsbutt March 26, 2014
 
27.
Boo
1. Boyfriend or Girlfriend
2. Ghosts use this word
3. You say this during a bad performance.
4. Word used by young people to make someone stop looking at them.
1. "Hey, boo!" ;) <3

2. "Boo!"
3. "Boooo! You stink!"
4. "Boo!! You want something B*tch?! Why you lookin' at me then!? Your ugly self is so irritatin'!!"
by Crop Dusting June 15, 2014
 
28.
boo
A term used when someone is looking too hard and or gives you a "dirty look."
**Girl/Guy whom you do not know or get along with looking at you crazy**

You:boo! Can I help you?
___________________________________________________
**Person looking at you with disapproval**
You: boo! Do you have something to say?lol**
by That what I said! lol January 08, 2011