ten-four? . ten-four? {v. phr.}, {interrog.}, {slang}, {citizen's band radio jargon} Do you understand? Is that a ten-four? Categories: add yours {citizen's band radio jargon} {interrog.} {slang} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: T Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry