The act of slapping one's penis off of a victims forehead, leaving a bright red mark resembling that of an atomic mushroom cloud.
by tims1416 September 17, 2009
When two people mount onto fully erect men and have them charge at each other. Normally the first person to dismount, or if their ride softens is the looser.
by shaffinhime July 14, 2017
When a female grabs the shaft of an erect penis, then using her other hand makes a fist and a hammer motion, smashing the head of the penis.
So jake pissed a girl off again last night, and during what he believed was his victory blowjob for winning the argument he was brought to the fetal position with a brutal mushroom hammer.
by Francis the fantastic April 08, 2014
A phallic contusion in the shape of a mushroom inflicted by a forceful blow of a penis to one's body.
by TubesteakNyourI May 16, 2003
A bruise, in the shape of a mushroom, obtained by being slapped with a large penis or penis-like object.
"Dude, I can't believe you goin' out with the new girl from accounting!"
"I'm gonna mushroom-bruise her ass, just for you. Just watch -- she won't be sittin' straight for a week."
"I'm gonna mushroom-bruise her ass, just for you. Just watch -- she won't be sittin' straight for a week."
by Dharma Midget September 07, 2016
When a girl wants your penis. "Mushroom" is the head of the penis.
Usually said by a friend, can be said about your self.
Usually said by a friend, can be said about your self.
Example #1-Friend
Jim- Dude, shirlena is totally on your mushroom right now.
John- Man I know, its kinda scary.
Example #2-Your self
John- Shirlena was trying to get on my mushroom last night.
Jim- Did you let her get on your mushroom?
John-Yeaaa boy!
Jim- Dude, shirlena is totally on your mushroom right now.
John- Man I know, its kinda scary.
Example #2-Your self
John- Shirlena was trying to get on my mushroom last night.
Jim- Did you let her get on your mushroom?
John-Yeaaa boy!
by Evilbert October 22, 2009
“I lay there," she wrote, "annoyed that I was getting fucked by a guy with Yeti pubes and a mushroom dick like the character in Mario Kart." -Stormy Daniels
by real610phillyhoe September 18, 2018