danger zone vs genital organ

danger zone

noun
  • the genitals 

  • A specifically hazardous place to be avoided, usually demarcated, such as an area with anti-personnel mines 

genital organ

noun
  • An organ used in sexual reproduction or sexual stimulation; a sex organ; (in plural) genitalia. 

How often have the words danger zone and genital organ occurred in a corpus of books? (source: Google Ngram Viewer )