a person who studies excrement, including but not limited to feces, waste, crap, turds, urine, saliva, physical in content and or non physical matter; ie. verbal 'bullshit', lies, fluff.
example 1: I'm going to run that story by my excretologist and see what they think about why this person i know feels the need to exaggerate. example 2: the excretologist will have to inspect this animals's feces to help us figure out what it ate, and why the feces smell so badly.
by MidnightButterflyIJC February 21, 2015