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Similar To Friends With Benefits Except The Two People Involved Are Also Best Friends (Besties) So They Enjoy Both Having A Friend With Benefits And Also The Benefits Of Having A Best Friend All Wrapped Up Into One.
1: Did You Know A. & K. Are Hooking Up ?

2: But I Thought They Were Best Friends.

1: Yea, But Now They're Bestifits; Best Friends With Benefits.
by B.F.W.B April 23, 2011
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