Chiefly Southern U.S. brother (usually used as an affectionate term of address).
2.
Slang: Usually Disparaging and Offensive. a term used to refer to an uneducated Southern white male.
Origin
1860-65
Word Origin and History for bubba
n.
Southern U.S. slang, 1860s, a corruption of brother.
Slang definitions & phrases for bubba
bubba
noun
Brother, Not uncommon as a nickname: Here comes big Bubba Jones(1860s+ Southern)
also a person of simple Southern rural culture; cracker, GOOD OLD BOY ?Occurrence increased enormously during the early years of the Clinton administration: People watching ''Jeopardy!'' aren't just bubbas out there/ He doesn't have your typical ''Bubba'' approach to state government(1980s+)