bonetastic Share definition Flag some one who is well qualified to be boned (have sex with).........Also refering to some one with some enormous tities and a nice ass Dude Dannies mom is fucking bonetastic, i would so hit that shit bonetastic by pussyloveer May 13, 2005 0 0 Get merch Get the bonetastic mug. Buy Now — $32.95 See more merch