It would certainly possible for a code to define assault and then say that if some certain sexual element is also present that it is then sexual assault. (law.stackexchange.com)
The resulting abstract forms combine solar, anal, mechanical and sexual elements in constellations or diagrams that serve as ritual artifacts, devotional tools, and Gnostic riddles. (arthaps.com)
Beyond the obvious reality that to seek to reduce a relationship to it's purely sexual element whether hetero or homo is insulting... This comment is particularly silly since the same description of dominant verses submissive, giving verses receiving, applies equally well to heterosexual sex. (nakedpastor.com)