Natecore Share definition Flag a local guy in florida who is twice the pwnage and awesomeness of shawncore and does it with less letters and without ugly crusty ass hair and not being a loser like shawn is. "that guy kicks so much ass its not even funny i swear its natecore" Natecore by mrs luxe February 11, 2009 0 0 Get merch Get the Natecore mug. Buy Now — $32.95 See more merch