When you beat the high score for that level on Tony Hawk's Pro Skater dude!!!!!!!
Tom: Dude I just shred the gnar on that level with Bam Margera!!!!!

Mike: Douschebag!
by Joe S. M June 27, 2009
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To grind weed intended for smoking
A: Bro, when are we starting that bowl?

B: Once I shred the gnar !
by Kinkykankles January 24, 2016
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done primarily around brunch time. refers to awesome skills associated with snowboarding and/or the special dance and the randomness of the evening.
"guys, lets go shred the gnar at brunch!"
by Pink House September 2, 2006
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When someone ride a dick so hard that it breaks the skin
“Damn my girl shred the gnar gnar so hard like fuck
“Damn”
by Shred the gnar gnar May 18, 2018
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Shredding some gnar is a form of getting girls and eating their pussy.
"Yo dude lets go shred some gnar at the bar"
"Totally dude"
by Hook It Up March 28, 2016
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