Gumby Share definition Flag A skinny-ass, whiny mouthed, cum-swallowing biznatch, with an addiction to fisting his own asshole. "What the fuck Gumby, pass the fucking ball, stop ruining our entire fucking rugby team!" Gumby by Gunt October 17, 2004 0 0 Get merch Get the Gumby mug. Buy Now — $32.95 See more merch