you get an STD from masturbating with used underwear? Because I am a virgin and
have never had any intercourse.
You cannot get an STD from masturbating with your own used underwear or from that of a friend. STDs are passed from person-to-person during sexual contact, not from towels, toilet seats or underwear. Masturbation is a safe and fun activity and a good way to relax and relieve sexual tension.
To your health,