mushroom stomach 

someone who really likes mushrooms, and eats unlimited amounts

"how can freddie eat so many mushrooms?"
"he has a total mushroom stomach"

mushroom stomach by tracey herton April 10, 2008

mushroom tattoo 

when someone (mainly a guy) trys to suck your dick and u smack 'em in the forehead with your wang. it leaves a mushroom-shaped mark.... hence mushroom tattoo

last night this fag was tryin to blow me and i gave that biutch a mushroom tattoo!!

mushroom tattoo by Ben Joseph January 18, 2004

mushroomhead 

(n.) A person with a forehead disproportional in size to thier jaw, thus giving th appearance that thier head is mushroom shaped. This leads people to believe that the band are fans of Quentin Tarantino.

Quentin Tarantino is quite the mushroomhead, is he not?

mushroomhead by Kung-Fu Jesus May 15, 2004

mushroom stamp 

the act of pushing the tip of your own cock into your anus - just slightly - thereby inking your tip - and then imprinting the mushroom image onto said victim

If you don't get off of my lawn, I'm gonna mushroom stamp all you little bastards!

mushroom stamp by Snarfley McFookenhagen December 23, 2006

mushroom headed piss stump 

Another term for a penis

She hogged down on my mushroom headed piss stump.

mushroom headed piss stump by Ben daiho May 25, 2008

mushroom smashing 

The homosexual act of rubbing the tip of ones penis against the tip of another man's penis for the purpose of sexual pleasure.

Ken took Ben home after meeting at The Manhole. They were so aroused in each others presence that they whiped out their erect cocks and started mushroom smashing until ken unleashed his man paste all over Ben's hairy chest.

mushroom smashing by Systolic May 11, 2006

MushroomBoy 

The name of one person every century who is godlike.

You may be the real MushroomBoy if your class ring says MushroomBoy, or if you where sandals year-round, dispite the sometimes snowy climate you live in.

The current MushroomBoy, seen only online.

MushroomBoy by MushroomBoy February 2, 2007