Top Definition
When a girl wants your penis. "Mushroom" is the head of the penis.

Usually said by a friend, can be said about your self.
Example #1-Friend

Jim- Dude, shirlena is totally on your mushroom right now.
John- Man I know, its kinda scary.

Example #2-Your self

John- Shirlena was trying to get on my mushroom last night.
Jim- Did you let her get on your mushroom?
John-Yeaaa boy!
by Evilbert October 21, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×