Gnawesomecore Share definition Flag a mixture of gnarly, awesome, and hardcore. (The coolest anybody can ever be.) He didnt even use water skies to jump over those sharks, he's so gnawesomecore! Gnawesomecore by Captain McSteezy November 30, 2009 0 0 Get merch Get the Gnawesomecore mug. Buy Now — $32.95 See more merch