bash one out vs jill

bash one out

verb

  • To masturbate. 

jill

verb

  • To masturbate. 

noun

  • Coordinate term: (sex) hob 

  • A pelvic protector, a woman’s equivalent of a man’s jock. 

  • A female ferret. 

How often have the words bash one out and jill occurred in a corpus of books? (source: Google Ngram Viewer )