Kuxling Share definition Flag To scratch the upper scrotum of a man from behing whilst vigorously maturbating. "I saw you with that guy last night, how did it go?""Awesome. We ended up kuxling.""Eww dude gross!" Kuxling by Flavadon October 22, 2011 0 0 Get merch Get the Kuxling mug. Buy Now — $32.95 See more merch