by JUICEBOXXX August 3, 2007

by Inquisitive Walnut November 5, 2019

The outcome of eating Mcdonalds the previous day and you feel a very strong bowel movement because of it. Usually occurs from eating any dairy, chicken, or beef products on the menu.
Guy #1: "Oh man I got a severe case of the Mcshits after eating a Mcchicken and Mcdouble from Mcdonalds last night"
Guy#2: "I advise you to use the Mcbathroom"
Guy#2: "I advise you to use the Mcbathroom"
by baseballguy50 August 7, 2012

by Sabre Z September 18, 2004

The substance that exits one's arse a few hours after eating McDonalds. Think 'McFlurry', imagine it brown in colour, with the same texture but different ingredients and that is the McShit.
by Mark Standing July 7, 2006

The act of having a diarrhea reaction, due to the ingestion of any of McDonalds restaraunt's choices of foods.
by Ronald April 22, 2004

An agressive shit-shake in the toilet after going on a McBinge. Will generally have the bathroom smelling of a Happy Meal when finished.
*Group of girls head to the ladies room to touch up their make-up*
First girl: Omg it smells like McDonald's in here!
Second girl: Sorry, I took a McShit a few minutes ago...
Third girl: Ew!!... disgusting.
First girl: Omg it smells like McDonald's in here!
Second girl: Sorry, I took a McShit a few minutes ago...
Third girl: Ew!!... disgusting.
by Cun-Tea July 29, 2022
