Coprophilia
There are those who make movies involving coprophilia and coprophagia. This is called scatology. One of the more famous pornographic films involving coprophila is known as Hungry Bitches, a pornographic movie produced by MFX Media. The opening scene that became an internet reaction video trend is known as Two Girls One Cup. Creators would have a friend, family member, or sibling watch Two Girls One Cup and record and post their (usually digust-filled and comedic) reaction to the film.