A guy steps on home plate.
The crowd doesn't like that guy.
They shout "BOO".
"Boo, you stink a lot you bad player."
بواسطة medium bro ديسمبر/كانون الأَوّل 3, 2006

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Sound that a fake ghost would make
Ghost:BOOOO!
Child:AHHHHHHH!
بواسطة BEYONCE نوفمبر/تشرين الثّاني 8, 2003

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The Urban Dictionary T-Shirt

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Never ever gonna get butt love. Not even if there's a fire.
You: Hey how bout some bf later?

Me: booooo

Never gonna have it.
بواسطة Beefy one سبتمبر/أيلول 28, 2013

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The Urban Dictionary T-Shirt

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the incorrect spelling for the word Beau. most commonly used by people who have heard the word but do not know how to spell it. beau meaning: boyfriend or girlfriend. boo meaning: what a ghost says.
went out with my beau last night.
the ghost screamed boo
بواسطة chitownpaul أكتوبر/تشرين الأوّل 12, 2011

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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a word you yell at someone who keeps staring at you.
Boo!!What are you looking ugly.
بواسطة Drucilla Coleman يونيو/حَزيران 20, 2007

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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A word used to scare people.
Guy: "BOO!"
Guy2: "omgwtfbbq"
بواسطة Gracin يوليو/تمُّوز 11, 2005

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A word used to scare a person
Person 1: BOOOO!!!
Person 2: AHHH!!!
بواسطة Reagan Lausche فبراير/شباط 21, 2005

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
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