Bonersex Share definition Flag Sex, meaning friction, between two objects, living or not, faciliated with a Hopefully ling cylindrical hotdog like figurine. Hence, Boner. "Im going to have Bonersex tonight" she said. Bonersex by FlexMasta February 13, 2019 0 0 Get merch Get the Bonersex mug. Buy Now — $32.95 See more merch