Top Definition
The act of pressing the head of ones penis into another persons forehead or other facial area.
As soon as Ben passed out, Jer proceeded to mushroom stamp him to no avail.
Snapdragonによって 2003年08月08日(金)

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The male act of stamping the penis into an ink blotter, then proceeding to mark an unsuspecting customer with the "branding" of the mushroom tip.
"Yesterday Sam got ahold of mom's red ink blotter and I woke up to him mushroom stamping me in the face".
LinzMarie79によって 2010年07月05日(月)

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
The male act of stamping the penis into an ink blotter, then proceeding to mark an unsuspecting customer with the "branding" of the mushroom tip.
"Yesterday Sam got ahold of mom's red ink blotter and I woke up to him mushroom stamping me in the face".
LinzMarie79によって 2010年07月05日(月)

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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
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