Top definition
slapping a penis on top of someones forehead or on a car window
we gotta get out of here i just mushroom stamped that cops car

that guy parked so close to me i mushroom stamped his window
by ass master January 18, 2003
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
To slap a female in the forehead with intent to leave a mark with your cock
by Lady Tiger January 07, 2003
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Donkey Punch Plush

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3
Verb: An act occurring after anal intercourse, where the man removes his "Mushroom"-headed warrior from his female participant's rectum or balloon knot, and proceeds to take his poo-stained man-pole, and slaps his partner in the face or forehead (whatever preferred), leaving a mark (or stamp) in the shape of the tip of the distributor's dong (mushroom-esque);
When I was finished penetrating her poop shoot, I used her rectal leftovers to give her a Mushrrom Stamp
by Tony Cooper August 31, 2004
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Donkey Punch Plush

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4
To slap someone with your penis in the face leaving a mushroom shaped red mark on the victims face.
That girl was so drunk when I gave her a mushroomstamp it knocked her out cold!
by M Sul May 12, 2003
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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5
when you hit someone with your penis and leave a mushroom shaped mark
by Dakota w. July 10, 2008
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The Urban Dictionary T-Shirt

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6
The Slapping of an erect penis aginst a womens face or ass.
After cumming on her titties, i mushroom stamped her ass!!!
by WhiteRebel09 December 23, 2007
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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7
To leave an impression of ones penis on another persons skin(Face preferably). 2. To Dick slap.(really hard)
The hoe was back talkin so i mushroom stamped her across the forehead
by don weezy July 12, 2006
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Golden Shower Plush

He's warmer than you think.

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