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Mutual Masturbation


Updated June 13, 2014

Written or reviewed by a board-certified physician. See About.com's Medical Review Board.

Definition: Mutual masturbation is a form of sexual activity where both partners use their hands to stimulate each other. It may also include activities such as frottage and, depending on individual definitions, oral sex. Many safe sex educators, however, leave oral sex out of the definition of mutual masturbation since it is higher risk than most of the other behaviors associated with the activity.
Also Known As: dry sex, outercourse

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