Trougher

As Abel Magwitch would have said, he was "a heavy grubber"; or as a Yorkshireman, with a similar disregard for elegance, would express it, "a good trougher."

Source: wiktionary

He turned with twelve portions, much to the delight of umpire Paul Gibb, who subsequently asked for all the spare ‘official’ lunches to be passed on to him. A legendary trougher – he could eat for England any time – Gibb got through most of them before the end of the interval.

Source: wiktionary

Forget the fact I was playing for England at cricket: I was also an Olympic-standard trougher, and so I would order big steaks, burgers, whatever I fancied, and Blacky thought nothing of ordering the same thing, or something similar.

Source: wiktionary

Her appetite has definitely gone down, she's the classic bored trougher, but here there's so much to do she can sometimes forget to eat.

Source: wiktionary