A liquid or semi-liquid food, often of poor quality, given to animals, especially pigs. The farmer poured the slop into the trough for the pigs to eat.
A spill or splash of liquid, often messy or dirty. There was a slop of coffee on the table after the cup tipped over.
A loose, casual garment, especially trousers. He wore a pair of old slops while working in the garden.
Liquid waste or sewage, particularly household wastewater. The medieval streets were foul with slops thrown from upper windows.