gorge on (something)
To eat something eagerly and usually to excess. A reflexive pronoun can be used between "gorge" and "on." I didn't mean to gorge myself on cake at the party—it was just so good! If the kids gorge on snacks now, they won't be hungry for dinner.
gorge oneself on something
and gorge oneself with somethingto eat something to the point of fullness. Don't gorge yourself on the snacks. Dinner is in ten minutes. You have gorged yourself with cheese! No wonder you're not hungry. Claire gorged herself on the doughnuts that Fred bought.
gorge on
v. To eat enthusiastically and in great amounts: He gorged on pizza. She gorged herself on junk food.