juice up vs sexually stimulate

juice up

verb
  • Of a woman: to secrete vaginal juices due to arousal. 

  • to charge, to charge up 

  • To kill or seriously injure with a knife. 

  • To take a performance-enhancing drug. 

sexually stimulate

verb
  • to sexually stimulate 

How often have the words juice up and sexually stimulate occurred in a corpus of books? (source: Google Ngram Viewer )