YMBD Share definition Flag A sad saying meaning when a man cannot keep a boner long or that all that is good must end. a.k.a whY Must Boners Die ah man c'mon right when things were gettin steamy ymbd!!!!!!!!!! YMBD by cdbaby March 16, 2008 0 0 Get merch Get the YMBD mug. Buy Now — $32.95 See more merch
