Breadcrumb Home > Dictionary > Index P pig-out: Meaning and Definition of Find definitions for: pig-out Pronunciation: (pig'out"), [key] — n. Slang. an instance of overindulging in eating; food binge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pig-out (Thesaurus) pignut pigpen ✖ Related Content Daily Word Quiz: musth Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language