The act of slapping one's penis off of a victims forehead, leaving a bright red mark resembling that of an atomic mushroom cloud.
my girl wouldn't finish me, so I stamped her with an atomic mushroom
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.
Tom and Max were mushroom jousting on the beach.
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.
A phallic contusion in the shape of a mushroom inflicted by a forceful blow of a penis to one's body.
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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."
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When a girl wants your penis. "Mushroom" is the head of the penis.
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!
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as described by stormy daniels, the shape of President Donald Trump's genitals.
โI 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
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