arse vs nervous Nellie

arse

noun
  • A stupid, pompous, arrogant, mean or despicable person. 

  • A person; the self; (reflexively) oneself or one's person, chiefly their body; (by extension) one's personal safety, or figuratively one's job, prospects, etc. 

  • Used in similes to express something bad or unpleasant. 

verb
  • To be silly, act stupid or mess around. 

nervous Nellie

noun
  • A person whose personality and behavior are characterized by worry, insecurity, and timidity. 

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