A feat of ingenuity performed by a Native American, typically to remedy a problem using only the tools or resources commonly found on an Indian Reserve.
I was driving past the rez and I saw a couple of Indians on the side of the road using a turned-over shopping cart as a barbecue grill. Textbook Indianuity.
Cleverly-sneaky methods utilized by disrespecters of Native Americans in da hope of bilking them out of their lands, resources, etc.
Fro whatever reasons (opinions vary as to da causes), People of the Red Path are viewed as being especially susceptible to da effects of alcohol, and so it doesn't really take all dat much injunuity to surmise dat they can be persuaded to do what you want if you ply them with enough "fire-water".