from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Chiefly Southern U.S. Slang Brother.
- n. Slang A white working-class man of the southern United States, stereotypically regarded as uneducated and gregarious with his peers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Brother; used as term of familiar address.
- n. Working-class white male from southern US, stereotyped as loutish
Alteration of bub.(American Heritage® Dictionary of the English Language, Fourth Edition)
Possibly an alteration of brother or bub. (Wiktionary)