How Well Do You Know English Slang?
originally a name for a group of native peoples among Chiwere (Siouan) tribes, from an Algonquian word recorded c.1700, literally "people of the big canoes." The expression I'm from Missouri, you'll have to show me is attested from at least c.1880. Related: Missourian.
State in the central United States bordered by Iowa to the north; Illinois, Kentucky, and Tennessee to the east; Arkansas to the south; and Oklahoma, Kansas, and Nebraska to the west. Its capital is Jefferson City, and its largest city is St. Louis.