piddle vs slummock

piddle

verb
  • Often followed by about or around: to act or work ineffectually and wastefully. 

  • To urinate. 

  • Synonym of nibble: to pick at or toy with one's food, to eat slowly or insubstantially. 

noun
  • A piss: an act of urination. 

  • Nonsense or a trivial matter. 

  • Piss: urine. 

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

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