1.To be tripping.
2.To be high.
3.Crazy.
4.Screwing up.
1. "Duuuuuuuuuuuuude, you're shrooming!"
2. Instead of "Wow, you're high," its "Wow, you're shrooming."
3. Instead of "You're crazy," its "You're shrooming."
4. Instead of "Don't screw up," its "Don't be shrooming!"
by Aleosha November 11, 2004
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n.) A delicious, hallucination-inducing vegetable, commonly seen in Super Mario games.

There are many types, the most notorius being the 'Invinci-shroom'. This shroom will give the user a short, yet extraordinary high. Said person will experience many homicidal impulses, including the urge to trample over others. In extreme cases, they may jump on top of innocent bystanders and crush them into the ground, making what is known as "Road Pizza."

See other; 1-Up Shroom, Toadstool, Marijuana.
"Mario, grab the Shrooms!"

"I've got one, Luigi! Oh my... there are coins EVERYWHERE!"

"...Mario?"
by Syxx Styles September 1, 2008
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WHYYY iIS THHGEEE GROUND THIRRSTY????!!
HMMMMMMMMM SHROOMSMOORHS
by SHOOM! July 5, 2011
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The act of being accosted by a mushroom like penis.

A sexual act that cannot be felt and often goes unnoticed.
The 45th President met with Stormy Daniels and not long after, she was shroomed.
by CSCUD74 September 24, 2019
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a penis that is circumsized, it is gross and nasty.
Ew, did you see that shroom?
by ELEPHANT POWER November 14, 2010
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The act of shitting all over a room and the most disgusting fashion hence: shit + room = shroom
"I had the worst case of the runs after I ate that burrito and shroomed all over the walls and mirror in the bathroom!"
by Backstagedefenition November 28, 2009
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I look like a shroom. Becky is a shroom.
by Playa9898 March 6, 2018
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