Shitake Mushroom 

Slang for a small penis.

"I can't believe she's dating Kwan. He's got a shitake mushroom.

Shitake Mushroom by Dwayne Boyd September 6, 2005

jiggling mushroom 

An overweight person who wears too tight a pair of jeans and shirt, giving them the appearance of a mushroom top. While they walk, they often jiggle.

Traci: Wow jiggling mushroom at 12 o'clock.
James: Yeah they should ban fat people from skinny jeans...

jiggling mushroom by Traci&James™ January 9, 2009

detouring yourself in the mushroom truck 

Slang for beating off in a dirty or generally disgusting bathroom stall.

Don't ever be detouring yourself in the mushroom truck when John walks in. It won't be pretty.

detouring yourself in the mushroom truck by Gafoto January 16, 2008

Mushroom Tip 

The head of a penis.

Vas deferens

The man's mushroom tip went flaccid when he saw the festering sore on Tony's rectum.

penis

Mushroom Tip by Frosteetoes September 7, 2014

mushroom 

A mushroom is an enormous/fat human being with a head shaped slightly abnormal, and a hairstyle which seems to differ from others and resembles a particular type of fungus/mushroom,and their nose seems to be physically misplaced and gigantic.(sometimes it may seem slightly crooked)

"ThAt GiRl Is a HuGe mUsHrOoM!"

mushroom by alistar May 13, 2005

mushroom helmet 

The end part of a mans penis which is so hardand sore it eventually looks like a mushroom.

Me -"CRIST! Look at that germans bell!"
My bro -"Mushroom helmet!"
*everyone watching german porn laughs*

mushroom helmet by GirlSkater May 2, 2004

mushroomface 

The face a person makes when they are laughing so hard on a scale of one to ten they are at 11.

Stu ate so many magic mushrooms he cracked up and got mushroomface

mushroomface by CaptainAwesome666 January 11, 2011