The male act of stamping the penis into an ink blotter, then proceeding to mark an unsuspecting customer with the "branding" of the mushroom tip.
"Yesterday Sam got ahold of mom's red ink blotter and I woke up to him mushroom stamping me in the face".
by LinzMarie79 July 05, 2010
the woman's vagina is so small that when the male impales the vagina with his man-rod he blows a load and it can't go anywhere so his head expands to 3 times its size and her clit pops off.
by kyles vag licker December 08, 2007
Tom: Dude, you see that guys' boner?
PJ: No, Tom give up the dream
Tom: Imma go over to him and ask to give him a mushroom bump
PJ: what's a mushroom bump?
Tom: it's where you take a bump of cocaine off the head of another man's boner!
PJ: ...
PJ: No, Tom give up the dream
Tom: Imma go over to him and ask to give him a mushroom bump
PJ: what's a mushroom bump?
Tom: it's where you take a bump of cocaine off the head of another man's boner!
PJ: ...
by Teamosabe May 23, 2010
Like a Willy Wonka Everlasting Gobstopper, this mushroom can be licked, pounded, eaten, smacked, and basted, but will never deplete. Doing so may only make it stronger.
by Deecon November 08, 2010
by XxThanatosxX May 12, 2006
by Box Master 9000 July 28, 2017
The sense of coldness one receives when fully submerged underwater in a bath tub and the only thing above the surface is your tip.
by nico jack pepper November 23, 2017