22
A ghetto term of endearment for your significant other. Possibly for your baby momma.
"Heather is my Boo, now and fo-eva fo-sho"
by Patricia Reyes March 04, 2007
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23
A pet name created by those who are entirely devoid of describing their true feelings for their significant other.

In other words? A "loving" term thought up by lazy, inconsiderate imbeciles.
"Oh, like, I SOOOOOO love you, Boo!"
by Magmeezie August 29, 2003
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24
A scary ghost creature in the Mushroom Kingdom. Mario faces these a lot. These pearly-white ghosts will become invisible if anyone faces them. They usually cannot be disposed of. There are also other Boos, like the Big Boo, King Boo, and more.
"I thought I heard a Boo, but I turned around and saw nothing."
by SeaCaptainDrake December 06, 2003
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25
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
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26
"BOO" said the ghost.
"I LOVE YOU TOO" said the girl
by missjoejonas March 25, 2009
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27
what a ghost says when it jumps out of a closet and scares you.
Ghost:"Boo! I want to eat you for dinner!"


kid:"ok"
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28
Boos is never given a concrete definition, only prefaced when its used with any context at any time, and may be used for both negative and positive reasons in the same sentence.
Person 1: i got the hookah.
Person 2: is it boos?
Person 1: its pretty boos.
---
Person 1: when you rollin in?
Person 2: tues night
Person 1: boos
---
Person 1: I'll be over in like 10 minutes.
Person 2: Boos.
--
Person 1: so hows phil
Person 2: Boos
by Geem-Unit January 23, 2007
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