in one's cups in one's cups {adj. phr.}, {literary} Drunk. The man was in his cups and talking very loudly. Categories: add yours add yours {adj. phr.} {literary} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: I Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Discuss Discuss