mushroom flip 

When a guy has an erection in the middle of the day, in a social setting, so he uses the elastic in his shorts, or pants, or whatever he is wearing to "tame the beast."

Yo, during math i had some wood, and the teacher asked me to write something on the board, so like a champ i mushroom flipped, and stood up and answered the question

mushroom flip by H. Dot December 24, 2007

Mushroom Slapped 

When you slap someone with your soft circumcised penis causing a small red mushroom shaped mark on the skin from the head of the penis.

Dude I mushroom slapped her last night right on the cheek, it left a red mark!

Mushroom Slapped by Aiden07321 June 6, 2010

mushroom dick 

A condition in which the corona and frenulum of the penis (the "mushroom"-esque part) are significantly wider than the shaft. Sometimes a result of poor circumcision.

He ain't need no ribbed condoms, he got that mushroom dick!

mushroom dick by whatwhatwhat December 30, 2007

mushroom tattoo 

To smack someone in the face with a cock

I gave Shelly a mushroom tattoo last night and she loved it

mushroom tattoo by Joswa April 1, 2008

Mushroom sauce 

n. Ejaculate, semen, cum\

Dude, I fuckin' gave her an extra helping of mushroom sauce on her face.

Mushroom sauce by Mikey February 16, 2004

Pink Mushroom Tattoo

The mark left after being cock slapped, leaving the image of a mushroom.

"I gave that girl a Pink Mushroom Tattoo."

Pink Mushroom Tattoo by BrainFreeze193 July 18, 2009

Split Mushroom 

The act of having anal sex with a female whilst frying up a mushroom surprise on her back without her noticing.

Man: "Mmmmmm, fuck yeah, oh yeah.."
Woman: "Omg! Don't stop, Brucey! Mmm, fuck my bad ass!"
Man: -Fries up a mushroom surprise-
Woman: "W-What's that noise, Brucey?"
Man: "SHUT UP."

He cooked up a split mushroom.. dastardly bastard.

Split Mushroom by SOONEIYT January 26, 2006