To get so drunk that the only course of action is to strap the victim into a helmet so that he or she does not hurt themselves. Like, say if they had to go home on their own or they are constantly bumping into things.

Knee/elbow pads optional.
"fuckin hell Tina's sooooo drunk"
"i better go up to my room and get the gear... she's helmeted"
by rw17 January 5, 2007
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"Are we gonner get helmeted tonight?"
"Yeah!!!!!!!"
by defiti May 22, 2006
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Two naked men embracing, causing their penis tips to make direct contact.
After shedding their swimsuits, Tom and Justin hugged Helmet to Helmet.
by Shaken not Sturdevant October 28, 2006
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If I was a helmet, I'd wear a helmet helmet, too.
by Emerson Crossjostle March 10, 2013
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The first meaning is another name for the head of the penis. Due to the similarity of shape and positioning on the end of the penis.

However you can also call someone a 'helmet'. You would use this if they are acting like a total idiot by saying or doing ridiculous things.
"we fucked all night, and now my helmet is red raw!"

"I'm sick of him always pulling his balls out in front of everyone when he's drunk- he acts like a total helmet!"
by Eminence of vulgarity June 9, 2012
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A helmet is British slang word that's used to describe an individual who's being stupid or has completely no reputation to join a conversation or add their opinion.
Gary: So yeah I was walking down the street yeah and this stunn--
Oliver: Yeah but I don't care.
Gary: Who the fuck is this helmet? Jog on.
by Lawterian August 26, 2017
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Like the similar definition on this page, the act involves inserting one's head into the particular orifice. The original example that I've seen, and most others have also seen, is a video of a bald man putting his head (up to his ears) into a woman's vagina.
Did you see that video where that guy put his head in that chick's pussy? That's gotta be one seriously loose hole for helmeting.
by LazinessPrevails September 17, 2009
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