Sink the Bismarck Share definition Flag When you take a crap and the stools are exceptionally large. "Man, after eating that block of cheese yesterday I really had to play Sink the Bismarck this morning" Sink the Bismarck by castufari September 5, 2007 0 0 Get merch Get the Sink the Bismarck mug. Buy Now — $32.95 See more merch