High On The Hog Meaning

(idiomatic, US) Well off; living comfortably or extravagantly.

Example:   Ever since his promotion, they’ve been living high on the hog.
1912, George S. Jack, Edward Boyle Jacobs, History of Roanoke County, p. 29:
  With all the tenderloin, spareribs and backbones, we lived “high off the hog”.
1927, Allegheny Regional Advisory Board, Proceedings of the regular meeting, p. 21:
  Down our way there is a favorite expression used quite often—“eating high on the hog”. That is what our competitors have been doing…
1934, Time, Volume 24, p. 68:
  The synthetic belle wins the prize and her creators are eating high off the hog until the nation’s Press demands a look at the original.