1 definition by baseballguy50
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