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8.
"mentally incapacitated" - extremely random person - extremely annoying and special and complicated. Someone who doesn't understand anything for the life of them.
"Kim you are just too M.I. for this conversation - now leave!"
"Kim you are too M.I. for me it hurts my feelings."
by Brynnycole July 05, 2005
 
1.
MI
The abbrivation for Myocardiac Infarction
aka Heart Attack
commonly used in hospitals
Nurse: This patient is having an MI!
by ER freak December 24, 2005
 
2.
MI
Swedish abbreviation for Mechanical Integrity.
What is the impact on cost and MI compared with the previously presented version (Opt 1)?
by Lars the Destroyer September 23, 2010
 
3.
MI
MI means middle initial. commonly used in forms of any type requiring your full name.
Last Name: Smith First Name: Bob MI:L
by Phil bamf February 25, 2008
 
4.
mi
1) An acronomn for "Mentally Ill" (in Pyschology)
2) An acronomn for "Military Intelligence" (in International Affairs)
What the hell? I fucking swear, whoever "aquired" this MI had to have been MI! There's no other way!!!
by Nick Ulanowski June 04, 2007
 
5.
mi
Rice in Chinese

The last name of a very big asian that lives in New York, studies at Tulane, and will be traveling the world as a Army Officer.
My most favorite person in the world is David Mi.
by David Mi May 04, 2005
 
6.
mi
Military Intelligence

Combat Support Branch of the US Army

www.branchorientation.com/militaryintelligence/
He branched MI after taking ROTC in College.
by Jeremey April 24, 2005
 
7.
mi
An abreviation of Mobile Infantry
Mobile Infantry, from Starship Troopers (good book, shite movie)
by Dirge December 24, 2004