show in . show in or show out or show up or show to the door {v. phr.} To usher; conduct; accompany. "My husband will show you in", Mary said to the guests when they arrived at the door. Categories: add yours {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