bubba
/ˈbʌbə/noun
N. Amer. informal
1
- used as an informal or affectionate form of address to a brother〈北美, 非正式〉布巴（用作对兄弟的非正式或亲切的称呼）：
my sister has always called me bubba.
我姐姐总是叫我布巴。
2
- derogatory an uneducated conservative white male of the southern US〈贬〉美国南方未受教育的保守白人。
词源
late 20th cent.: alteration of BROTHER.