Mushroom Stamp 

When you take your weiner and slap it on a girls a**.

"I gave Jessey a Mushroom Stamp to let her know who's boss!"

Mushroom Stamp by lovedthetowels October 15, 2009

Mushroom Stamp 

The mark or bruise left after slapping a girl forcefully with your dick. (Usually after oral sexual intercourse)

Guy 1: Dude! Look at your girlfriend's face!!

Guy 2: Ohh yeah, thats nothing just mushroom stamped her last night. No biggy.

Guy 1: Holy fuck man! That had to hurt!

Guy 2: Yeah, just at first.

(Both laugh)

Mushroom Stamp by MattDiver March 21, 2011

mushroom stamp 

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!"

mushroom stamp by Robby V. October 21, 2009

Mushroom Stamp 

when a gay male slaps his penis on the forehead of another male, marking him as his sex slave with a mushroom-shaped mark.

During sex he slapped his penis on his partners face leaving a mushroom stamp.

Mushroom Stamp by Skippy1970 July 23, 2012

mushroom stamp 

to leave a mushrooom shape on a girls face after slapping her with your shlong

tori schmus got mushroom stamped by two guys at once.

mushroom stamp by huegerecsion May 12, 2009

mushroom stamp 

a large mushroom shaped mark created by the effect of a dick-slap straight to a face or more specifically cheek and forehead region.

Freddy got pissed at his girlfriend. he then proceeded to give her a large mushroom stamp.

mushroom stamp by yjedagrasil June 18, 2009

Mushroom stamp 

the mark left on ones body when smacked with the head of a penis.

I smacked my dick on her forehead and left a mushroom stamp on her.

Mushroom stamp by Kingtoocan August 29, 2009