fecalphiliac

A person who has a sexual drive toward excrement especially diahrea.

"John loves it when women release their bowels all over his face, he must be a fecalphiliac!"
"I wish I wasn't such a fecalphiliac, sex gets so messy when laurence unleashes his diahrea all over me."
"Martha sure did love it when I squezzed my rectal muffins all over her stinky body, goodness it's hot to be a fecalphiliac!"