Rusty Moose Knuckle Share definition Flag The visible remnant on ones love cannon from a freshly pounded fart box... "Yo, Vinnie d'jou see that rusty moose knuckle on cousin Paulie?" Rusty Moose Knuckle by th_Pizzle January 18, 2021 0 0 Get merch Get the Rusty Moose Knuckle mug. Buy Now — $32.95 See more merch