2. Proper noun. (Southern US) A generic nickname for any male. ¹
3. Proper noun. (American English) A Southern male. ¹
4. Proper noun. (alternative spelling of bubba) ¹
5. Noun. (Southern US) Brother; (non-gloss definition used as term of familiar address) ¹
6. Noun. Working-class white male from southern US, stereotyped as loutish ¹
¹ Source: wiktionary.com