Marijauna, pot.
by um..... Mr. Cheese December 23, 2002

the nickname for a present girlfriend/boyfriend or ex girlfriend/boyfriend that you really/still care for. somone that you will always remember.
1st example: friend-dude your ex girlfriend is calling you should i hang up? yourself-nahh shes my boo
2nd example- i love her, shes my boo!
2nd example- i love her, shes my boo!
by u already knoww July 14, 2010

Guy1: Man nigga i just done took a big o boo boo up in your bathroom.
Guy2: fuck nigga that shit stinks
Guy2: fuck nigga that shit stinks
by shayjon November 26, 2010

**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**
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 June 24, 2011

by Shadow February 1, 2005

Teacher: Okay kids! Since I'm on period today and forget too take my medications I've scheduled an hours worth of busy-work!
Students: BOO! You Suck!
Students: BOO! You Suck!
by stupid May 30, 2004
