hardwood Share definition Flag hard wood means to have a boner. hard meaning well hard and wood meaning penis. there u have it hard wood dude1: damnit dude ive got got hardwood looking at her. dude 2: what?? dude:1 a boner dumb shit hardwood by $$$$$$@@@@^^^^^^ April 11, 2007 0 0 Get merch Get the hardwood mug. Buy Now — $32.95 See more merch