Scat Play
Scat play may also be referred to as poop play, poop kink, coprophilia or scatophilia. Giving it's sensory nature can be said that it's a sub-category of Sensory Play.
Refers to erotic or sexual activities involving feces. Individuals with a scat fetish, or coprophilia, derive sexual pleasure from the sight, scent, or feel of feces. Can involve acts such as smearing feces on the body, defecating on a person's body, watching a person defecate, or even eating feces. Many scat players are also able to control the amount, consistency, and smell of their own feces by altering their diets.