from Missouri from Missouri {adj. phr.}, {slang} Doubtful; suspicious. Don't try to fool me. I'm from Missouri. Categories: add yours add yours {adj. phr.} {slang} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: F Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Comment on this entry Comment on this entry