Someone who is kind hearted gives it up to anyone anywhere at anytime. They're not afraid to get 'down and dirty' with others. Kind hearted people usually get many diseases.
Guy 1: That girl is kind hearted.
Guy 2: Yea, I know I was with her last week.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi