used to describe, usually, a gnarly trick, or like a gnarly truck with a 15 inch lift. Sometimes may be used to describe a friend who is radical or even maybe a little bit crazy. Not used by the RSR, only when making fun of "bros" at the volcom wherehouse party.
"Bro Bro, ur 10 inch techlite lift is sooo much bettter than my new offroad tires...ure truck looks sicky gnar gnar"

"Loic is sooo much mo sicky gnar gnar than Scott"

Black jesus says "oooooooooohhhhhh yaaaaaaaaaaaaayyyyyyyy!"

"that black jesus had some sicky gnar gnar crack cocaine"
by Loic May 10, 2005
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sicky gnar gnar is totally agg bro. like totally sick like my f-150 with 10 inch lift!!
"Bro, did you see that skin tat on the bro on the dirt bike? it was totally sicky gnar gnar!"

"Bro that Famous Stars and Straps shirt is sicky gnar gnar bro!!!"
by Bro April 20, 2005
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A skate term when you ollie off of a building. Used commonly as an expressive, like

Rad + gnarly together.
"Dude, that was
f*cking radi gnar gnar!"
by dragonweasel December 7, 2016
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A surfer who thinks he or she is god's gift to the waves, but in reality is arrogant and simple minded with only mediocre talent. Sometimes these surfers will talk about their awesome skills and yet you will never see them shred, or they will show up with incredibly expensive equipment that they never seem to properly ride. Sometimes these surfers are actually capable of catching decent waves, but instead prefer to paddle over to you and annoy you with useless chatter. These surfers are often clueless and tend to get in the way, wasting perfectly good waves when they fail to drop in or decide not to take off.
Dave: "Oh no, here comes gnar gnar binks"
Chris: "Yeah, that guy was just telling me about how he makes buckets of spray, but then he paddled for a perfect corner and missed it"
Dave: "Maybe if I don't make eye contact he'll leave us alone"
Chris: "Man, I hope he doesn't come over here and sit right inside of us again"
Dave: "He probably wants to be annoying and talk about nothing forever"
Chris: "Dude, we have got to start going to breaks that gnar gnar binks can't find"
by Board Slider May 4, 2013
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A 50+ year old candy raver who is known for feeding young raver girls pills. Gnar Gnar's intent (see: Pedobear) is at this point unclear as he seems to dress in the same attire as the underage rave skanks (see: P-Tots) he's known to graze with. Gnar Gnar can be found mostly localized in the SF Bay Area rave scene but has been spotted as far out as Los Angeles and Nevada.
Oh snap here comes Gnar Gnar Binks and his band of P-Tots!
by Tombo Slice February 27, 2011
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Adj. Means sick and gnarly at the same time.
ME: DUDE! I just won $100 from those scratch cards!
Him: No way! That's sicky gnar gnar!
by DZ69 April 28, 2006
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