A way to masturbate where you hold the shaft and rub the tip of your penis in a circular motion.
The mushroom is one of the best ways to masturbate.
by hqwfhf May 24, 2008
To mushroom is to, when singing along to a song, either mumble or sing the wrong words, revealing that you don't really know how the song goes. When someone does this, everyone around them yells "MUSHROOM!" at them, as a way to embarrass them.
Matt: If you wanna be my lover, you have got to give....doo doo doo...but that's the way it is!!

Nick: Oh Matt, you totally just Mushroomed!

Everyone in car: MUSH-ROOM! MUSH-ROOM!
by The Rascal King October 30, 2007
As seen in the intervals between fields of dancing badgers.
Badgerbadgerbadger MUSHROOM MUSHROOM!
by Kung-Fu Jesus June 07, 2004
1. Something that when eaten cuz fuck ur brain up
2. Shrooms
Man let me get some of those mushrooms
by K-Wo February 11, 2003
a poisonous fungi grown mostly in shit or on damp logs, that makes you get in touch with your holographic spirit, oh and you trip. the trip lasts for 4 to 8 hours. try some dutch shrooms. goddamn.
by lefty September 16, 2003
mushroom is a drug that messes up ur senses.
u can't sepparate the REAL WORLD from the IMAGINORY WORLD.
Some one who took mushrooms thought he could fly, went up on a High building and jumpped down. It was too late when he realized that he couldn't fly, 'cause he jumpped already
by Slim-Jim October 30, 2006

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