on the wagon vs primed

on the wagon

prep
  • Abstaining from drinking any alcoholic drink, usually in the sense of having given it up (as opposed to never having partaken); teetotal. 

  • Used other than figuratively or idiomatically: see on, the, wagon. 

  • Maintaining a program of self-improvement or abstinence from some other undesirable habit. 

primed

adj
  • Prepared for use or action. 

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