"Explicit sexual acts," as used in this chapter, means depictions of sexual intercourse, oral copulation, anal intercourse, oral-anal copulation, bestiality, sadism, masochism, or excretory functions in conjunction with sexual activity, masturbation, or lewd exhibition of genitals, whether any of the above conduct is depicted or described as being performed alone or between members of the same or opposite sex or between humans and animals, or other act of sexual arousal involving any physical contact with a person's genital, pubic region, pubic hair, perineum, anus or anal region.
(Ord. 324 § 2 (part), 1982).