Stroke of luck Share definition Flag (n.) During male masturbation, the stroke of the hand which induces ejaculation. It took me 97 strokes before I got to the stroke of luck last night. Stroke of luck by xEVANx(SOTF) March 30, 2010 0 0 Get merch Get the Stroke of luck mug. Buy Now — $32.95 See more merch