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Rare and unique. Defineable by a select few
There has been and always will be only one kelara in the entire universe.
kelara by seeker of rare things February 16, 2010

Kevlar Neck Gaiter 

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.”
the material used to make bulletproof vests
his kevlar vest stopped the bullet from killing him
Kevlar by ShinDragonZ April 4, 2003
The most beautifully precious girl. The best daughter in the world.
Keylara has a beautiful voice!
keylara by Carla Barker June 8, 2015
When the performance of something significantly degrades over time.

The names comes from the Nvidia Kepler GPU architecture (GeForce GTX 600&700 series), which was infamous for suffering severe and steadily bigger performance losses in games after its release.

This was caused by poor optimisation in Nvidia’s drivers after the release of the Maxwell architecture (GeForce GTX 900 series), as without shader optimisation the raw performance of Kepler cards fell off a cliff.
Person 1: Have you seen how slowly my computer’s been running recently?
Person 2: Yeah, it’s been Keplered
keplered by OptiMegaCell October 1, 2018
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.
kevlar by Galloping Ghost June 13, 2005
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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