national slap a titty day Share definition Flag On May 1st we celebrate national slap a titty day. The name explains it all.. slap some tits. "James stop slapping titties" "I can't it's national slap a titty day" national slap a titty day by rapidcliche May 25, 2018 0 0 Get merch Get the national slap a titty day mug. Buy Now — $32.95 See more merch