Fishfistlip Share definition Flag fisting a fish and slapping it across your girlfriends lips whichever lips you prefer. "Fishfistlips has become a problem in the u.s,so many people have contracted fish aids due to this kinky procedure. Fishfistlip by The maker of piss dish November 16, 2016 0 0 Get merch Get the Fishfistlip mug. Buy Now — $32.95 See more merch