kinuckle fucker Share definition Flag when a guy or friend decides to act like a complete douchebag, he is considered a kinuckle fucker. Hey, suck my dick, "no!!!" Just the tip dude, "no!!!!" You kinuckle fucker. kinuckle fucker by tcrews251 March 18, 2017 0 0 Get merch Get the kinuckle fucker mug. Buy Now — $32.95 See more merch