buttcabbage Share definition Flag A type of fungus that usually resides in the crevice of the buttocks. "Yoo duudddee the doctor said the reason my ass smells is cuz i have buttcabbage!" buttcabbage by snailorrrrrrrrrrrrr October 13, 2009 0 0 Get merch Get the buttcabbage mug. Buy Now — $32.95 See more merch