Hoosiers

A guy mentioned hoosiers in the comments the other day. That's the common term for folks living in Indiana. I asked him if he knew where the term came from. Apparently not. At least he hasn't answered yet. 

Makes me wonder what it means, though. Do people in Indiana eat a lot of hoose? Do they go hoosing a lot? No way of knowing since the first definition I found for hoose doesn't make much sense.

Wikipedia doesn't help much, either. It just says the origin of the word remains disputed, with only a mention of some poem to point to. Strange having a name that no one can say what it means.