grengbenger Share definition Flag Someone who uses recreational drugs mostly consisting of Ketamine, Cocaine or MDMA. You would love my mate Rory on a night out, he's a major grengbenger! grengbenger by The Mitchinator Man 2000 June 18, 2020 0 0 Get merch Get the grengbenger mug. Buy Now — $32.95 See more merch
