payoff payoff {n.} Culmination point; climax. After many months of patient labor on your book, the payoff comes when you see the first printed copy. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: P Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment