high time vs timing

high time

noun
  • A point in time at which something is considered to be utterly due or even overdue to occur; well past time 

  • A very enjoyable or exciting experience or period of time. 

timing

noun
  • The time when something happens. 

  • The synchronization of the firing of the spark plugs in an internal combustion engine. 

  • The regulation of the pace of e.g. an athletic race, the speed of an engine, the delivery of a joke, or the occurrence of a series of events. 

  • An instance of recording the time of something. 

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