Top definition
That feeling you get in the pit of your stomach/upper intestines approximately 1 hour after eating a McDonalds meal. This is accompanied by deep regret for the lunchtime decisions you made.
Joe: "Is that a McDonalds bag? you went to McDonalds and didn't ask me?!"
Zack: "Don't worry, I'm already being punished.."
Joe: "ahh... McMorse.."
by jomega December 09, 2010
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