mushroom slapped 

To awaken one under the influence of psilocybin from incoherence with a quick slap of the hand to the face

Tony mushroom slapped Albert so as to awaken him from his incomprehensibly negative, drug-induced rant. (But Bert just became further enraged and had to be wheel chaired to bed.)

mushroom slapped by Alphonse Drizzny January 5, 2009

mushroomsock 

A cool person on Minecraft and Skype.

Mushroomsock gave me diamonds in that skype call.

mushroomsock by superlord9362 August 1, 2016

Inverted Mushroom 

When someone is wearing huge shorts and a tight shirt and looks like an upside down mushroom

John: Whoa check out that kid hes rockin inverted mushroom

Eric: Yeah what a fag

Inverted Mushroom by L's98 April 27, 2009

Magic Mushroom 

An extremely strong type of illegal drug that is very addictive and popular to teens and young adults. It can get you high very fast and also get you low very fast.

"This is the police, We're suspecting that you're storing magic mushrooms here.

Magic Mushroom by CBNSK May 16, 2007

Mushroom Stamp 

The mark or bruise left after slapping a girl forcefully with your dick. (Usually after oral sexual intercourse)

Guy 1: Dude! Look at your girlfriend's face!!

Guy 2: Ohh yeah, thats nothing just mushroom stamped her last night. No biggy.

Guy 1: Holy fuck man! That had to hurt!

Guy 2: Yeah, just at first.

(Both laugh)

Mushroom Stamp by MattDiver March 21, 2011

Mushroom Picker 

A person who enjoys to pick mushrooms.

That Jim is a little fucking mushroom picker!

Mushroom Picker by AdRobbo February 27, 2009

Mushroom 

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!

Mushroom by The Rascal King January 5, 2009