get it on vs mack

get it on

verb
  • To have sex. 

  • To engage in a fight. 

  • To hurry up; to get a move on. 

  • Used other than figuratively or idiomatically: see get, it, on. 

mack

verb
  • To seduce or flirt with. 

  • To act as pimp; to pander. 

noun
  • An element of a ship's superstructure which places the function of a ship's mast on its exhaust stack, adding the skeletal supporting structure to the smokestack to support the mast's complement of functions. 

  • A raincoat or mackintosh. 

  • An individual skilled in the art of seduction using verbal skills. 

How often have the words get it on and mack occurred in a corpus of books? (source: Google Ngram Viewer )