subs. (common).—1.  A hearty eater; a glutton. For synonyms, see STODGER.

1

  1858.  DICKENS, Great Expectations, ch. xl., p. 190. ‘I’m a HEAVY GRUBBER, dear boy,’ he said, as a polite kind of apology when he had made an end of his meal, ‘but I always was. If it had been in my constitution to be a lighter grubber, I might ha’ got into lighter trouble.’

2