When two people, who have an obvious interest in each other, flirt non-stop but can't actually get into a relationship due to complicated reasons
girl #1: You know that guy I've been texting, he called me pretty.
girl #2. Aww, that's so cute. Too bad he's 25 and you're 16. I guess its just going to be a flirtationship
girl #1: Yeaahh, shut up!