Top Definition
Dead. This comes from how fish float up to the surface "belly up" when they die
one of my goldfish went belly up last night, now I have to flush it.
by butterfly on the wall January 12, 2010

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Slang term in the metro st. louis/illinois area that refers to something in Belleville; a Belleville hot spot or scene.
Tonight we're going "belly-up" at the Belleville skate park.
by Baby Face Jonas August 30, 2007

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