exploding cucumber vs wild cucumber

exploding cucumber

noun
  • Synonym of squirting cucumber 

wild cucumber

noun
  • Armenian cucumber, in the flexuosus cultivar group of Cucumis melo subsp. melo. 

  • Echinocystis lobata, a species of gourd found throughout most of North America 

  • Marah, a genus of gourds native to western North America 

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