a glutton, excessive in consumption
And I'm not a big eater, Pete—never was—you can clear me of that anyway.
Among the West African natives a big eater is esteemed as a mighty man.
I noticed that, although he was ordinarily a big eater, Tuys had little appetite that night.
He was a big eater, and clucked his tongue as each mouthful descended audibly into his stomach.