A girl that will do anything to get another girls man. She is a jealous, and very awkward person. She has almost no friends, and is obsessed with things like Demi Lovato. She thinks she is perfect, but everyone knows that she is not. Joanies are a rare type. They really love getting in the way of relationships of others around her. She is an attention grabber. If ever you meet a Joanie, RUN!
Person #1: Hey is that a Joanie?
Person #2: Yes...
Person #1: LET'S GET OUT OF HERE!
N. The female companion of a chach (alt. choch or chotch).
Dude. Joanie loves chachie.