butterball
/ˈbʌtəbɔːl/noun
1- N. Amer. informal a derogatory way of addressing or referring to a fat person〈北美, 非正式, 贬〉胖子。
1.1
- a plump bird, especially a turkey or bufflehead肥禽（尤指火鸡或白枕头鹊鸭）。