pannikin boss vs ramrod

pannikin boss

ramrod

verb
  • To force. 

noun
  • Device used with muzzleloaders to push the projectile up against the propellant. 

  • Ranch or trail foreman, usually the first or second person in charge. The person responsible for getting the work done. 

  • An erect penis. 

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