mushroom helmet 

The head of a mans dick

Can you make my mushroom helmet touch your tonsils?

mushroom helmet by smitty December 20, 2002

mushroom helmet 

The end part of a mans penis which is so hardand sore it eventually looks like a mushroom.

Me -"CRIST! Look at that germans bell!"
My bro -"Mushroom helmet!"
*everyone watching german porn laughs*

mushroom helmet by GirlSkater May 2, 2004

mushroom war helmet 

the head of a dick as it is layed down the bridge of ones nost as the face protection of a war helmet be it norman,trojan,roman,or whatever helmet in wich involving the shaft of an errection on ones nose.

oooooh check out this ,
a passed out chick,
hey Ill giv her a roman helmet and when you take a picture make sure you get a good shot of the mushroom war helmet.

mushroom war helmet by [e-mail] March 18, 2008