by Peniswillow April 08, 2003
when you take your wang to someone's face with great force(mushroom slap), leaving a mark that looks like a mushroom (because the end of your penis kida looks like a mushroom)
by Diego February 08, 2004
The mark left by slapping someone across the face with one's flaccid penis. Using an erect penis does not count.
by back iker August 27, 2005
by irontwo April 28, 2006
by irontwo April 27, 2006
"That bitch said she wanted a tattoo so beeing the gentelman i am, i whipped my cock out and gave her the old mushroom tatoo, after that she soon changed her mind
by Wastedgremlin July 21, 2006
look in the mirror at yourself!
by yo mamma June 11, 2006