an affectionate name for the one you love lots and lots or the one you really like. a name for a boyfriend, girlfriend or partner etc. Regularly used in r'n'b songs.
eg. but luke, i want my cuddle my boo.
by katieboo April 19, 2007
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A) Derived from the word booty call.

B) One of the most annoying things a ditzy girlfriend will call her boyfriend.

C) Man or woman in the ghetto..

D) A word use to scare people
A) Shit, look at that boo!"

B) Girlfriend's Twitter: OMG I can't wait to see my boo!

Rest of the world: Shut the fuck up!

C) Dag, boo. You stoopid.

D) Booo! Did I get ya?
by bartender@LA February 03, 2010
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The name of the Peterson's pet cat (until dad let it go stray right round near the animal auction).
Oh no, Boo peed on the red couches again!
by Danny Peterson January 26, 2004
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Noun. Colloquial abbreviation of Rebecca, as in 'Becky Boo'.

Usually employed when more commonly received Rebecca-derived monikers are considered too sane.

Hoovers all things sugary despite a tendency towards hyperglycaemic lunacy.

Often hilarious, though not always intentionally.

Requires close management and should be exercised off the lead at least twice daily.

Can often be found humping the legs of long-haired males.
"Oh Christ, who let Boo at the crayons?"
by Mawy, Qween of Scotth February 03, 2010
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An amazing and perfect girlfriend the best any guy could ask forr usually refers to her boyfriend as googly bear she will always be the cutest nd sweetest girl you have ever met the love of her boyfriends life no doubt that hell want to marry her
She's my Boo.
by Tyler-ToT February 20, 2011
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something you say when someboby is staring at you real hard like its somethin on your face
by Darcie December 08, 2003
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