Potsdam Giant Share definition Flag A guy with an unusually large penis who is too protective of it to use it. Frederick William had a huge weapon but would never take it into battle -- what a Potsdam Giant. Potsdam Giant by ChefBoyardee69 May 10, 2010 0 0 Get merch Get the Potsdam Giant mug. Buy Now — $32.95 See more merch
