a head that is surrounded by a shit trim in the shape of a helmet. this person would most likely be able to take a serious knock to the head without injury.
by ChUcKa- March 28, 2021

by kittysucker123 June 4, 2021

When a guy finishes sex with a woman by pulling his tube steak out of any of her orifices and cascading a hefty load that is so abundant that it coats her hair.
Tim- Did you get it in last night?
Me- Totally. Cristina was concussion-proof after the Cum Helmet I gave her.
Me- Totally. Cristina was concussion-proof after the Cum Helmet I gave her.
by MeezyGeezy March 30, 2012

by Backdoor Barney November 13, 2017

by deckspinner! August 1, 2011

A person that likes to go find other helmets. Helmets being the tip of a man's penis.
One who searches for more guys.
One who searches for more guys.
by Phuc Dat Bich1 November 3, 2007

by D hops February 26, 2017
