Star Girl
Star Girls is a girl who: stalks, bullys, teases, or any other mean thing to you across the Internet or any social media. You have an idea who your Star Girl is, but you don't have proof/are not completely sure.
Girl 1: I've got a star girl!
Girl 2: Do you know who?

Girl 1: I thinks it's 'girl 4' but I don't have proof yet.
Girl 2: You know, when you find proof, she won't be a star girl.
Girl 1: Oh yeah...