boo

one of the most annoying things a ditzy girlfriend will call her boyfriend.

Girl's Twitter: OMG I CAN'T WAIT TO SEE MY BOO!!!! <33
Rest of the world: Shut the fuck up!

by Erin_12_22 October 10, 2009

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boo

Disapproval.

Guy1. Yo this one time....
Guy2. Boo!!

by hasselhoffman February 26, 2009

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boo

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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boo

expression of dissapproval.

B. Gates: This is the all-great Windows XP.

Me: boo!

by vin July 23, 2004

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boo

Sound that a fake ghost would make

Ghost:BOOOO!
Child:AHHHHHHH!

by BEYONCE November 08, 2003

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boo

A word used to scare people.

Guy: "BOO!"
Guy2: "omgwtfbbq"

by Gracin July 12, 2005

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boo

A word used to scare a person

Person 1: BOOOO!!!
Person 2: AHHH!!!

by Reagan Lausche February 22, 2005

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