deflated boner Share definition Flag When an old man gets a boner and all the old nasty extra skin is dangling from it OMFG I heard my neighbors having sex they are old and i wanna know how the do it with that deflated boner deflated boner by LalalalaYOUFAG August 2, 2009 0 0 Get merch Get the deflated boner mug. Buy Now — $32.95 See more merch