private eye . private eye {n.}, {colloquial} A private investigator; a detective. Buddy Ebsen played a private eye on "Bamaby Jones." Categories: add yours {colloquial} {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss