cum catcher vs sex on legs

cum catcher

noun
  • A sexually promiscuous person (usually a woman or gay man). 

  • An object used to catch semen, especially a condom. 

sex on legs

noun
  • A person or persons considered to be very sexually attractive. 

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