catcher vs shirtlifter

catcher

noun
  • The bottom partner in a homosexual relationship or sexual encounter between two men. 

  • The player that squats behind home plate and receives the pitches from the pitcher 

  • Someone or something that catches. 

shirtlifter

noun
  • A homosexual man, especially an effeminate one. 

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