lip . lip See: BUTTON ONE'S LIP or ZIP ONE'S LIP, HANG ON THE WORDS OF or HANG ON THE LIPS OF, KEEP A STIFF UPPER LIP, SLIP OF THE TONGUE also SLIP OF THE LIP. No categories: add yours add yours Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: L Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Leave my opinion Leave my opinion