alternative spelling: mick mu
The verbal ramblings of someone at the pinnacle of being high. It usually consists of incoherent sentences concluded with "mcmoo" or "mick mu"
That feeling you get in the pit of your stomach/upper intestinesapproximately 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.."
An instance where someone does something unusually stupid, forgetful or otherwise unwise and embarrassing. While potentially devastating for the individual engaging in the incident, such instances are the fodder of legends, folktales and safety manuals. May or may not involve a certain fast food chain.