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1.
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
by pussyloveer March 19, 2005
 
2.
one who is extremely fine and incredibly qualified to be fucked, boned, (have sex with)
Dude those chicks were bonetastic look at those huge asss tities(or for girls) O hell i hope he thinks im bonetastic cause i would love to have my way with him
by pussyloveer March 19, 2005