Wiktionary
coprophiliac
a. having to do with a marked interest in excrement, especially the use of feces or filth for sexual excitement. n. someone with a marked interest in excrement, especially the use of feces or filth for sexual excitement.
Usage examples of "coprophiliac".
He was a coprophiliac, and sat down before a plateful of steaming excrement, his eyes vast with greed, while a scabby monkey, its bald face horribly human, bared its puckered backside to the viewer.