Windy heart
A term referring to someone who changes their mind often about who they are romantically interested in.
Guy 1: Is Jane interested in Evan?
Guy 2: I thought she was with Alex?!
Guy 3: She just told me that she was going on a date with Ryan tonight.. She is so windy heart-ed!
Guy 2: I thought she was with Alex?!
Guy 3: She just told me that she was going on a date with Ryan tonight.. She is so windy heart-ed!