The above person is wrong. Scat Porn is more of a german thing. The japanese are more obsessed with beastiality when it comes to anime, and their non-animated porn is fairly normal, despite most of it being blurred.
Porn movie in which individuals excrete fecal matter and play with, rub it over each other, or eat it.
People who indulge in this are called Scat lovers, Scatophiliacs, and Coprophiliacs
Commonly found in Brazilian, Japanese, and German pornography.
Two girls One Cup was a scat porn video in Brazil.