a love interest, usually flirt via (text, social networking, im, real life) who returns the interest towards you, possible hook up, undefined hook up, or someone your "talking to"
your current flame
Melanie: So are you seeing your bonfire this weekend?
Kelly: Which one?
"My bonfire just texted me"
"what'd he say?"
"its lyrics to an eagles song"
"I really like this guy and there are definitely some flames between us--he's my bonfire for sure."