(slop) v. slopped, slop·ping v.i.
1. To splash or spill.
2. To walk or move through slush.
—v.t.
3. To cause (a liquid) to spill or splash.
4. U.S. To feed (a domestic animal) with slops.
—to slop over
1. To overflow and splash.
2. To do or say more than is necessary, because of excess zeal, sentimentality, etc.
—noun
1. Slush; watery mud.
2. A dash or puddle of liquid that has been slopped.
3. An unappetizing liquid or watery food.
4. Refuse liquid.
5. plural Waste food or swill, as from a kitchen, used to feed cattle, pigs, etc.
6. plural Distiller's mash which has been deprived of its alcohol. [ME sloppe]

(slop)
1. Obs. A loose outer garment; a smock; in the plural, wide baggy breeches.
2. plural Articles of clothing and other merchandise sold to sailors on shipboard. [ME sloppe]