/ Dictionary / Index S slop-over: Meaning and Definition of Find definitions for: slop-o•ver Pronunciation: (slop'ō"vur), [key] — n. an act or instance of spilling or slopping over. an amount spilled; spillover; overflow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slop jar slop pail Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language