catcher vs shirt lifter

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. 

shirt lifter

noun
  • Synonym of bottom: a homosexual man who is penetrated or prefers to be penetrated during anal sex. 

  • Used other than figuratively or idiomatically: see shirt, lifter. 

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