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2. mushroomstamp
to slap somone on the forehead with the tip of a penis
"while marsha was sleeping she was mushroomstamped by joe"
by anonymous Mar 11, 2003 add a video
1. Mushroomstamp
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 add a video
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