gnarlatron Share definition Flag Any person or thing that exceeds awesome or sick. Often referred to as uber gnarly or "gnarlatron." "Dude, that trick was so gnarlatron!" "That was so gnarlatron, I'm so uber stoked!" gnarlatron by Ryan Pat Brown November 22, 2006 0 0 Get merch Get the gnarlatron mug. Buy Now — $32.95 See more merch