It is another word for the region. It is also
Indiana. It consists of Lake County and far west Laporte County. The acronym
is used to make
a not so cool place sound bad ass.
Dan: I don'y know what happened to Tommy Nuggets, he seems to be MIA.
Earl: MIA? That mothafucka ain't MIA. Mothafucka is NWI. He's mobbing deep, puffin on the dro, droppin bombs and shit.