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2.
the act of tapping the head of your penis on a girls head during oral sex.
Lat night, when I was getting head, I mushroom tapped that chick.
by dom s November 17, 2007
 
1.
to forcebaly smack someone on the forehead with a penis, thuse leaving a mushroom-shaped wealt on face
dude i so mushroom tapped that chick
by faroramzes October 29, 2003
 
3.
What Faroramzes does to himself on a daily basis (smacking himself in the forehead with a penis)
"Damn, he so wacked himself in tha head with that kawk"
by Acid-Snake November 13, 2003