platypuss ballslap Share definition Flag a swift slap to the face, or forehead area with a pair of sweaty ballswhile making a platypuss calling noise liam was doing the wild thing and platypuss ballslapp(ed) that bitch, he totally blinded her platypuss ballslap by fookmoose October 25, 2007 0 0 Get merch Get the platypuss ballslap mug. Buy Now — $32.95 See more merch