1. Military extension of helmet meaning someone who rides the short bus and thus needs a helmet for safety. Used when the person being so named might catch on to the civilian slang use.

2. Also used in the context of Kevlar being dense but light-weight implying the subject is dense and a intellectual light-weight.
"Hey, Kevlar, I need you to go get me a box of chem-light batteries!"
by zArkham4269 September 09, 2009
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Material that is actually nylon streched very thin, which makes it much tougher. Used in everything from bullet-proof vests to gun stocks.
I only where about ten layers of kevlar. I hope that can stop a shotgun blast.
by Galloping Ghost June 05, 2005
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1. A material used in bullet-proof vest.
2. A crappy first boss in TRUE CRIME: NEW WORK CITY (spelled 'Kev-Lar').
1. "If it wasn't for this Kevlar, I'd be dead by now!"
2. "Jesus Christ, Kev-Lar's a stupid fucking character. I'm glad Marcus blew his fucking brains out with an Uzi."
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my dogs name! o also a materal they put is hydroplane boats and you where kevlar while raceing a hydroplane boad it helps u float if u fall out!
1. come here kevlar!
2.the kevlar helped me float whene i fell out of a boat it saved my life!
by jessica May 31, 2004
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Protective clothing worn around scorned or man hating women.
Shes pissed dude, better break out the kevlar boxers if you go home tonight.
by Lester Burnham July 16, 2005
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A metaphorical badge of loyalty usually referenced as an item of travel gear when visiting a good friend in a tight spot.
“I’m visiting my buddy in the Army next week but he’s stationed at a pretty wild post, you know, murders, kidnappings, war brides, that kind of thing; so, I’ll definitely be packing my Kevlar neck gaiter.”
“Jesus, where’s he stationed, Fallujah?”
“Nah, Fort Bragg.”
by Tin Hat Kippah December 09, 2020
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