stop up stop up {v. phr.} To block; close. If you want to get rid of the leak, you must stop up the two holes you have in the ceiling. 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 Add my comment
