send up . send up {v. phr.}, {colloquial} To sentence (someone) to prison. Did you know that Milton Shaeffer was sent up for fifteen years? Categories: add yours {colloquial} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Leave my opinion