fecal vomiting

n.
  1. The vomiting of fecal matter that has been drawn into the stomach from the intestine by spasmodic contractions of the gastric muscles.copremesis stercoraceous vomiting
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.