overpass vs take a powder

overpass

verb
  • To disregard, skip, or miss something. 

  • To pass above something, as when flying or moving on a higher road. 

  • To exceed, overstep, or transcend a limit, threshold, or goal. 

noun
  • A section of a road or path that crosses over an obstacle, especially another road, railway, etc. 

take a powder

verb
  • To leave without saying goodbye; leave quietly, run away; scram; depart without taking leave or notifying anyone, often with a connotation of avoiding something unpleasant or shirking responsibility. 

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