pullin your nuts out and droppin them on a bitches forehead
1. "hey man, jacquelyn is sleeping, be quiet!"
2. "hell naw, im gonna go in there and mushroom stamp the fuck out of her face!"
1. "do that ish...hold up, let me get the camera!"
by Robby V. October 22, 2009
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the act of mushroom stamping the girl you are with right before you blow off your load. thus covering her face in your man juice.
i gave that girl a cream of mushroom stamp because she wouldn't shut up.
by treborekim January 27, 2007
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sending a photo of your hard penis to a friend, giving their phone a mushroom stamp, electronically.
-hey dude, sorry i can't make it to your party
electronic mushroom stamp
-damn you!
by Brosanne February 9, 2011
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when you tame a bitch with your flacid schlong, often using it in a whiplike fashion.

note: this works better when you have an inverse chode
Maria: well that was good sex.
Gustaf: just a minute baby
Maria: stop playin over there and clip my toenails like you always do
Gustaf: SHIZANN!
Maria: what what what@!
Gustaf: You love the RingMaster Mushroom Stamp don't you?
by Auz March 6, 2008
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When a male rubs his penis on black shoe polish and then presses or "smacks" an unsuspecting person, leaving the impression of a black mushroom.
"Ok guys, the first person to pass out tonight gets a black mushroom stamp!"
by BigEd2469 October 21, 2009
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Going over to someones house, dick slapping them, leave a mark, then take a picture, and send it to the makers of C.O.D. and have the caption say "HEAD SHOT".
Oh I Mushroom Stamp FTW that hoe.
by ababyliebe August 25, 2010
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(verb)Latin. It is when a man has anal innercorse. After which the penis is pulled from the anus and Stamped on the head of the receiver.
All women need a Shitaki Mushroom Stamp the keep in check.
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