Bone Master
A person - usually female - who who a MASTER in the art of BONING, a.k.a. INTERCOURSE. The "bones" in question are generally one night stands. She is non-descriminating, and is likely willing to bone anyone with two legs & a dick.
"That Erin, she's a real Bone Master - did you see that guy she left with last night? Erin strikes again!"