A weak or susceptible vagina / female genitals that cannot withstand prolonged periods of abuse or have unusually low pain tolerance during intercourse.
Briana: When I have sex with my boyfriend, it becomes unbearable after even a minute Doctor: It sounds like you might have vaginal dystrophy
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