watermelon slapper Share definition Flag A male of African decent that grabs and or gropes the female breast. “Aye! My boy Tyrone was a total watermelon slapperat the club last night!” watermelon slapper by Daddyaddy1219 July 30, 2021 0 0 Get merch Get the watermelon slapper mug. Buy Now — $32.95 See more merch