look up any word, like muddin:
 
1.
Acronym for Multiple In Multiple Out. A new kind of wireless internet, consisting of strategically placed antennas (usually 2 internal and 2 external) which broadcast more efficiently. According to them, it can "reach that back bedroom". Runs on most wireless internet cards.
My neighbors can now get even better wireless connection thanks to my new MiMo, so now they can run BitTorrent and suck my bandwidth from even a greater distance.
by umbepo September 24, 2005
 
2.
An angel.
The nicest person in the world. She loves to match people up. She would never hurt a soul.
Mimo saved my life again today.
by ^_^ July 10, 2003
 
3.
Minimum Input
Maximum Output

i.e. writing your paper in the last minute but getting an A+
I MIMO'd my homework
by William December 09, 2003
 
4.
A miniture mohawk, usually less then 4 or 5 inches in height.
zac, that is not a mohawk, that is a mimo. It's too short and it's see through due to your slightly balding head.
by rsinn April 30, 2005
 
5.
A girl who goes to Mormon dances, dresses in Mormon clothes, and is just a "nice Mormon girl"... but really isn't Mormon.
Mormon guy: Want to go to a dance with me?
Nonmormon girl (Mimo): Sure!
by Mel April 19, 2006