Swamp Cabbage Share definition Flag Semen that you have somehow left in an orifice overnight, after it's coagulated and gelatinous. I think my girlfriend fell asleep with some cum in her ear. She's gonna wake up to some nasty swamp cabbage. Swamp Cabbage by Poepalean September 6, 2011 0 0 Get merch Get the Swamp Cabbage mug. Buy Now — $32.95 See more merch