Wristy Mc Knuckle Share definition Flag A nickname given to a man who engages in masturbation on aregular basis! There's wristy Mc Knuckle... the best for penile shuffle! Wristy Mc Knuckle by LAU December 11, 2004 0 0 Get merch Get the Wristy Mc Knuckle mug. Buy Now — $32.95 See more merch