anti-Viagra vs turn-off

anti-Viagra

noun
  • Something that decreases the sex drive; an anaphrodisiac. 

turn-off

noun
  • Something that repulses, disgusts, or discourages, especially sexually. 

  • A road where one turns off, such as a motorway exit. 

How often have the words anti-Viagra and turn-off occurred in a corpus of books? (source: Google Ngram Viewer )