April 15th Share definition Flag The day where girls have the right to slap a guys ass so damn hard that his balls sack will suck back into his stomach. Have fun gals! "Bro tmos April 15th watch out for these ass slapping bitches" "Oh shit...I'm staying home tmo" April 15th by moobihhh April 12, 2019 0 0 Get merch Get the April 15th mug. Buy Now — $32.95 See more merch