The word used by someone when a basketball swishes through tha net.
....... Wackup!
by Crunchy Black January 07, 2004

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Top Definition
A milder term to say told you so or gutted.

May also be used as a form of rejection.
"You, WACKUP!"

OR

"You're totally wrong, therefore i suggest you wackup"
by Remi Mortimer June 25, 2008

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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