He's a big eater and always goes for seconds.
I went to an all-you-can-eat place with my gluttonous friend.
More formal and literary term for a glutton or heavy eater.
Standard kanji spelling.
Variant kanji spelling using 喰 (eat), less common.
Compound of 大 (おお, 'big') + 食らい (くらう, 'to eat' in its nominalized form), literally 'big eater'.