Definition of "anal sex" [anal sex]

• A sexual activity involving stimulation of a sexual partner’s anus and/or rectum, especially by penetration. (noun)

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• "Everett Koop will want children taught about anal sex as a defense against AIDS."
• "According to sources, the Greaseball had killed the girl's best friend because she'd refused to have anal sex with him."
• "Within marriage or without, mouth-to-genital or anal sex became subject to criminal prosecution under numerous harsh antisodomy measures."