swine . swine See: CAST PEARLS BEFORE SWINE or CAST ONE'S PEARLS BEFORE SWINE. No categories: add yours 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