hang about vs jerk off

hang about

verb
  • To linger, loiter, or stay. 

  • Especially in the form to hang about with (someone): to spend time or be friends with. 

intj
  • wait a minute; hold on 

jerk off

verb
  • To do nothing; to waste time. 

  • To deceive. 

  • To masturbate, usually a male. 

noun
  • An act of masturbation. 

  • A stunt in which the performer is suddenly pulled off a horse, etc. by means of a cable. 

  • An annoying person. 

How often have the words hang about and jerk off occurred in a corpus of books? (source: Google Ngram Viewer )