dirty washing vs slop

dirty washing

noun
  • synonym of dirty laundry 

slop

noun
  • Water or other liquid carelessly spilled or thrown about, as upon a table or a floor; a puddle; a soiled spot. 

  • Domestic liquid waste; household wastewater. 

  • A policeman. 

  • A rubber thong sandal. 

  • Inferior, weak drink or semi-liquid food. 

  • Semi-solid like substance; goo, paste, mud, pulp. 

  • See slops. 

  • Scraps used as food for animals, especially pigs or hogs. 

verb
  • To spill or dump liquid, especially over the edge of a container when it moves. 

  • To make one's way through soggy terrain. 

  • In the game of pool or snooker to pocket a ball by accident; in billiards, to make an ill-considered shot. 

  • To feed pigs. 

  • To spill liquid upon; to soil with a spilled liquid. 

How often have the words dirty washing and slop occurred in a corpus of books? (source: Google Ngram Viewer )