deadpan vs slummock

deadpan

verb
  • To express (oneself) in an impassive or expressionless manner. 

noun
  • A style of comedic delivery in which something humorous is said or done while not exhibiting a change in emotion or facial expression. 

adv
  • In a deadpan manner. 

adj
  • Impassive. 

  • Deliberately impassive or expressionless. 

  • Having such a face or look. 

slummock

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

noun
  • A slovenly person 

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