sexual act
(1) Sexual act .— The term “sexual act” means— (A) the penetration, however slight, of the penis into the vulva or anus or mouth; (B) contact between the mouth and the penis, vulva, scrotum, or anus; or (C) the penetration, however slight, of the vulva or penis or anus of another by any part of the body or any object, with an intent to abuse, humiliate, harass, or degrade any person or to arouse or gratify the sexual desire of any person.