Dunkle Ribbon Share definition Flag Dunkle Ribbon is another name for someone's anal sphincter. The muscle's in charge of the excrement fecal matter. dude did you fart? that stinks your fucking dunkle ribbon. Dunkle Ribbon by Donkey Punching Juicy December 24, 2008 0 0 Get merch Get the Dunkle Ribbon mug. Buy Now — $32.95 See more merch