McShits 

It's when you eat way too much fast food, probably McDonald's, and you get the runs.

Yo man, I got the McShits today from eating all that McDonald's.

McShits by GET CRACKALACKIN' June 5, 2005

McShits 

When you have diarrhea after you eat fast food, mostly from McDonalds.

Boy, did I have the McShits last night.

McShits by piercemandawg May 30, 2007

McShits 

What you get after eating too much McDonalds food

Me - Mate, I've got the McShits
Random person - Oh yeah? Too much McDonalds food?
Me - Exactly

McShits by Quicksand Jesus May 10, 2004

McShits 

The bad stomachache and diarrhea usually associated with eating too much Mcdonalds

Oh man those 3 Big Macs gave me a bad case of the McShits.

McShits by Johnny W. September 1, 2006

Mcshits 

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"

Mcshits by baseballguy50 August 7, 2012

McShits 

A horrible, bug-invested fast food restaurant that serves Big Macs, Quarter Pounders w/ Cheese, and McNuggets. Run by retards.

I used to work at this one place. It had bugs, burgers, and retards there.
Oh, you mean McShits?

McShits by K. Mason March 21, 2007

McShits 

When you get diarrhea from eating too much McDonald's.

"Dude, I've had enough of these goddamn McShits. That's it! I'm done with McDonalds!"

McShits by Suburbanz71 November 7, 2017