A guy might tell a girl he has blue balls from not having sex, just to get her in bed. Orgasm does alleviate blue balls. If there's no orgasm, the erection, blood flow and ache gradually subside. They do not actually turn blue. It's just a feeling of varying degrees of pelvic discomfort.
Girls can have similar sensations.
It can last from a few minutes or longer. But no one ever died of blue balls. It's not a medical problem. Perlin Alperstein, licensed social worker and psychiatry professor Click here for tips for curing blue balls. When Your Friend Says She's Gay Jessi on how to support your friend's coming out of the closet.