The act of getting a dong slapped on your head
Joe was so drunk I mushroom stmaped his ass
by Anonymous March 16, 2003

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Top Definition
Pressing ones penis on the forehead of an unfortunate individual.
Greg fell asleep and was mushroom stamped.
by n/a March 30, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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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