What is the meaning of slop?

noun

• Wet feed (especially for pigs) consisting of mostly kitchen waste mixed with water or skimmed or sour milk.
  • synonyms: slops, swill, pigswill, pigwash
• Deep soft mud in water or slush.
  • usage: "they waded through the slop"
  • synonyms: mire
• Usually plural. ( waste water from a kitchen or bathroom or chamber pot that has to be emptied by hand)
  • usage: "she carried out the sink slops"
• Usually plural. ( weak or watery unappetizing food or drink)
  • usage: "he lived on the thin slops that food kitchens provided"
• Writing or music that is excessively sweet and sentimental.
  • synonyms: treacle, mush, glop

verb

• Cause or allow (a liquid substance) to run or flow from a container.
  • usage: "spill the milk"; "splatter water"
  • synonyms: spill, splatter
• Walk through mud or mire.
  • usage: "We had to splosh across the wet meadow"
  • synonyms: squelch, squish, splash, splosh, slosh
• Ladle clumsily.
  • usage: "slop the food onto the plate"
• Feed pigs.
  • synonyms: swill