have eyes bigger than your stomach

have eyes bigger than (one's) stomach

To take more food than one is actually capable of eating. I always have eyes bigger than my stomach when I go to all-you-can-eat buffets! Can't finish your meal, huh? I guess you had eyes bigger than your stomach!

See also: big, eye, have, stomach

have eyes bigger than your stomach

have asked for or taken more food than you can actually eat.

See also: big, eye, have, stomach