Junk Stick Share definition Flag The shaft of the penis or junk. Most commonly referring to the shaft of an erect penis. I'll be ready when I'm fucking ready! Damn woman, get off my junk stick! Junk Stick by Mad Dog 2020 November 27, 2010 0 0 Get merch Get the Junk Stick mug. Buy Now — $32.95 See more merch