mushroom smack 

Smacking one's penis off one's girlfriend's body.

I'm gonna mushroom smack you, you fag!

mushroom smack by hobnob August 11, 2003

Mushroom head 

A mushroom head is the head of your penis. It is the cap like part of a penis and usually is the thickest part of a penis. Mushroom heads are similar in looks to a mushroom so that's why we call the head a mushroom head.

Lorenzo: I heard you got a blowjob from Chris
Samer: No he was just biting my mushroom head

Mushroom head by SEXYCHIPMUNK June 2, 2016

Mushroom Stamp 

An imaginary outline left by slapping one’s magnum dong against the face of another.

If you gave Lady Gaga a mushroom stamp, you'd be using your dong to poker face.

Mushroom Stamp by Rationalize October 3, 2011

mushroom basket 

Slang used to define one's vagina.

"Her mushroom basket smells like dog piss"

"Fuck I'd love to throw it in her mushroom basket"

"Thats the hairiest mushroom basket I've ever seen! Fuckn' thing looks like Chewbacca"

mushroom basket by Anthony A January 27, 2008

mushroom transformation 

A penis with big head and smaller middle part like a mushroom.

Look, mushroom transformation!! Lol!

mushroom transformation by SandaimeSpaceMan February 23, 2008

Mushroom Swarming Hoe Bag 

A girl who acts like she is all that, always complains about how she looks, and must show off to all guys! She is normally known as easy to put out. To get to this girls heart you must comment on how she looks and agree to how she acts with flirting with every guy she finds. She tends to cheat in relationships.

Billy: "Jake your not going to get Cindy. The mushroom swarming hoe bag is too high maintenance."

Mushroom Swarming Hoe Bag by ScarletPrincess May 15, 2010

mushroom tatoo 

when you take your wang to someone's face with great force(mushroom slap), leaving a mark that looks like a mushroom (because the end of your penis kida looks like a mushroom)

I left a little mushroom tatoo on that dude because he was a fruit

mushroom tatoo by Diego February 8, 2004