As in the Mario series when one gains a green mushroom the words "one up" flash on the screen, this is when you tell a story and someone else tries to tell a story better than you.
John: "i once skydived"
Bob: "yeah well i skydived and shot 4 ninjas whilst slaying a dragon and throwing the ring into Mt. Doom."
John: "Green Mushroom me again and you die."
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when you take your wang to someone's face with great force(mushroom slap), leaving a mark that looks like a mushroom (because the end of your penis kida looks like a mushroom)
I left a little mushroom tatoo on that dude because he was a fruit
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After your partner is done giving you a blow job, she proceeds to turn around and fart/queefe on the head of your penis (the part that looks like a mushroom)
After Bradley was done fingering Bisbee's butthole, Bisbee sucked his cock and farted on it, and bradley said "thank you for the burnt mushroom!"
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to dip your erect penis into hot (not scalding) water and slap it onto someone's face
Guy #1: Hey did you hear? Some dude gave Nicole a hot mushroom!
Guy #2: I'm not surprised, she's a kinky bitch.
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The act of getting a dong slapped on your head
Joe was so drunk I mushroom stmaped his ass
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NOUN: the spare-tire/belly fat that is forced over an overweight person's too-tight jeans. (resembles a mushroom cap)
When Rosie O'Donnell puts on a pair of size 20 jeans, her mushroom cloud is considered a weapon of mass destruction.
or "Sure, i can fit into size 6, but it gives me a mushroom cloud"
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A mushroom commonly found in flat, square boxes labelled with a question mark. There are three varieties. A red one which will double your height, a green one which will revive you when you die then disappear, and a purple one which is poisonous.
Had I not grabbed the Magic Mushroom, I would not have made it to world 8.
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