Top Definition
1. Boyfriend or girlfriend
2. Word used to scare people
1. Can you handle me? If you can't you ain't gonna be my boo.

2. Guy: BOO!
Guy 2: Holy sh*t!
di Antony 08 giugno 2004

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boo is a term that is derived from the French word "beau" meaning beautiful. In 18th century England it meant an admirer, usually male. It made it's way into Afro-Caribean language perhaps through the French colonisation of some Caribean islands.

Now meaning girl or boyfriend
"this is what I'm saying boo, it's all about you"
di juicy 14 febbraio 2004

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pet name: your hunny,sweety,baby.
I love you boo.
di holly 19 marzo 2003

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1) Boyfriend or girlfriend. Term of endearment.

2) A loud, abrupt yell, meant to frighten someone.

3) A sound made to indicate disapproval, the opposite of "yay."
1- Some Guy: "Hey boo."

2- Ghost: "BOOO!"

3- Unhappy Audience: "Booooooo...."
di Larr 14 febbraio 2008

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significant other, girlfriend,boyfriend,really close friend
hey baby boo
di this is rap ill m itch 11 aprile 2003

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1: An affectionate name for someone you love.

2: Something that a ghost says.

3: The short version of my cat's name, Boo-Boo.

1: I like cuddling with my boo.

2: BOO!

3. "Boo, get out of the dishwasher!"
di Loki 24 agosto 2003

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A term of endearment, like baby.
"I'll be in here, boo" -- Method Man (You're all I need 1994).
di VAKI5 14 settembre 2003

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