crack onto vs fawn

crack onto

verb
  • To flirt with; to approach and speak to (someone), seeking romance, love, sex, etc. 

fawn

verb
  • To exhibit affection or attempt to please. 

  • To seek favour by flattery and obsequious behaviour (with on or upon). 

  • To show devotion or submissiveness by wagging its tail, nuzzling, licking, etc. 

  • To give birth to a fawn. 

noun
  • A pale brown colour tinted with yellow, like that of a fawn. 

  • A servile cringe or bow. 

  • Base flattery. 

  • A young deer. 

adj
  • Of the fawn colour. 

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