Top Definition
A combination of "whats up dog?" and "whats up though" making it both a freindly greeting and a question at the same time. Origins in Rochester and Detroit Michigan.
"so I walk up to my freind and im like 'Sup Do?'"
by Pete October 29, 2003

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A casual greeting used when one is chatting or talking. It means "Sup Dude"
"Supdo", I said to my friend.
by electric flying turtle October 11, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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