mushroom print

when a dude slaps his penis against someone and it leaves a mark like a mushroom.

"You better take that back or I'll give you a mushroom print right across your forhead!"

by ho magnet April 26, 2003

mushroom print

The act of imprinting your penis on a foggy car window.

Adam mushroom printed his window when some girls pulled up beside him.

by XxThanatosxX May 12, 2006