Titty Spank Share definition Flag The act of slapping a hard cock against a woman's breasts. Usually incorporated into a titty fuck session. I was titty fucking this hussy when I snuck in a couple titty spanks here and there to mix it up. Titty Spank by WestSideMcFly April 14, 2010 0 0 Get merch Get the Titty Spank mug. Buy Now — $32.95 See more merch