by TahoeBob May 31, 2008
McPoops are the shits you take right after eating McDonalds. One usually gets the McPoops after eating a McDonalds item that doesn't agree with you or after eatig healthy food for awhile and then going back to McDonalds.
by Phil B. April 30, 2006
by hahaidontgetit April 03, 2009