have eyes bigger than (one's) belly

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

Common Names:

Name	Pronounced	Usage
Mack (1)	MAK	English
ThuẦN	-	Vietnamese
Andra	AN-drə (English)	Romanian, English
Amancio	ah-MAHN-thyo (Spanish), ah-MAHN-syo (Latin American Spanish)	Spanish, Portuguese
BrÜNhild	BRUYN-hilt (German)	German, Germanic Mythology
Columbine	KAHL-əm-bien	English (Rare)