Could-Be-Girlfriend

It means a girl who you liked, and liked you back. But things are just complicated and confusing. You’re not sure if you even had a thing, but people saw you as a couple. And it’s just whatever now :/

Bro 1: Bro look at the girl, she’s hella hot.
Bro 2: Don’t even think about it, she was my could-be-girlfriend.
Bro 1: Oof I’ll back off