coomer vs yank

coomer

noun
  • A man who is addicted to masturbation; by extension, anyone who is excessively horny. 

yank

noun
  • A masturbation session. 

  • A sudden, vigorous pull (sometimes defined as mass times jerk, or rate of change of force). 

  • A Yankee. 

verb
  • To pull (something) with a quick, strong action. 

  • To remove from distribution. 

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