drink up . drink up {v. phr.} To finish drinking; empty one's glass. "Drink up that cough syrup," the nurse said, "and never mind the taste," Categories: add yours {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: D Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry