An act of mushroom stamping, but with a giant penis, usually to a person being a complete douche. This is appropriately done by slapping said douche in the face with said penis. If correct technique is applied, the stompee will have a giant, dick-shaped imprint on his face.
by YouCanSuckABigOne February 4, 2012
a person who is usually sleeping, and another person takes their penis and smacks it across their (the person who is sleeping) face to wake them up and the slap by the penis wakes the person up, usually the person ends up with a red mark on his or her's face from the slap
Hey man tyler is passed out what should we do to him? and the friend replies: Give him a mushroom stomp but aim for the top lip between the nose and the lip!
by Nicky Jim October 7, 2008