What is Friends With Bestifits?
1.
Similar to
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.
See
2.
Similar to
1: Dude, did you know J. and P. are hooking up?
2: But I thought they were best friends.
1: Ya, but now they're Friends with Bestifits.
See