Top Definition
When someone says something completely obvious and stupid the reply would be "uh buh" as in you are a completley brainless fool
girl: *points to a fish* thats a fish
boy: UH BUH!!!!!
by amylovesjamie January 08, 2007

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An insult used to interrupt or humiliate another peer in an attempt to anger the target person.
Steven from Jupiter High School was angered greatly after Eric kept repeating uhbuh while Steven was speaking.
by Robert Dutton February 09, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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