A name given to a circumcised guy's penis. Or simply just a name given to a guy who has a circumcised penis. Used as the opposite of sock, i.e. an uncircumcised guy's penis.

This of course came about due to the obvious visual differences, i.e. a circumcised penis could appear to be wearing a helmet, whereas the extra skin on an uncircumcised penis kinda looks like a sock.
Curious Dude: "Hey man, question. Are you a helmet or a sock?"

Jewish Dude: "Holy crap, man, for the last time: I'm Jewish! Think about it."

Curious/Confused Dude: "What the hell, man? What's Judaism got to do with your package?"

Exasperated/Jewish Dude: "Oy!"
by Yorko February 26, 2008
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Another way to call someone stupid.
Person #1: See that guy who ran into that door?

Person #2: Yea what a helmet
by Mista Foldgers May 26, 2009
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oral stimulation of the penis
Yo' broad gives some mean helmet.
by Joseph Momma November 8, 2003
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hel·met
   hell-meht noun
A means to describe someone's intelligence referring to a mentally unstable person. One who wears a helmet to protect them from injuring themselves because they cannot function for on their own. Can also be known as slang.
1)

A-"I heard Greg got a 39% on that test last class"
B-"What a helmet!"

2)
A-"Hey you f***ing helmet"
by Ayy Fawn September 29, 2011
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used in da dirty south west of da uk, anova word for blow or weed.
mayne u got ne helmet on you this niga needs a blow!
by G from B April 16, 2008
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condom on the top of dick, where dick is a head and condom has been worn for safety....
Chris always use a helmet before sex cause this ACCIDENT results in birth not in death
by Anks00 April 30, 2011
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a descriptive word used for a certain marijuana whos effects are so powerful that when after smoking an actual protective helmet is required to perform routine activities so one does not seriously injure his or her self
"Hey Willie would you like to go smoke this helmet with me?"

"Yo son hit this hemlmet."




by double digits 70 April 1, 2009
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