1 definition by DefinitelyNotJake
Similar to friends with benefits, but the two have the added bonus of being best friends, or besties, so there's a double relationship.
Person 1: Yo, did you hear J. and P. hooked up at the party?
Person 2: No way, I thought they were so close, like besties.
Person 1: Ya, now they're Friends with Bestifits.
Person 2: No way, I thought they were so close, like besties.
Person 1: Ya, now they're Friends with Bestifits.
by DefinitelyNotJake December 6, 2008