Dirty Shmoo Share definition Flag Having ana sex with a fat chick in a bathtub full of dirty water. I was butt-fucking this fat-ass ho in the tub last night. Nothing like a dirty shmoo to get you to bust a nut. Dirty Shmoo by Dr. F-Bomb January 4, 2011 0 0 Get merch Get the Dirty Shmoo mug. Buy Now — $32.95 See more merch