subs. (common).1. A hearty eater; a glutton. For synonyms, see STODGER.
1858. DICKENS, Great Expectations, ch. xl., p. 190. Im 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.