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1.
A ghetto person of color that uses improper grammar, and is over 25 years old with a 5th grade mentality.
103 webber st cereal city USA. Damn that's some straight up niggabilly's living there yo!

A Black ghettofyed hillbilly.
by Dad0524 September 22, 2010
 
2.
Combination of the slang terms nigga + hill billy= niggabilly
1. An ignorant whiteboy and/or redneck usually from the south eastern region of the United States, that while being racist agianst blacks, listens to black music ie; gangsta rap and hip hop and uses their slang.
2. Any white guy that trys to act like a black guy.
3. Any lieing, cheating, stealing white trash tweeker.
Refering to his friends new pickup truck a niggabilly would say: "Word Preston, your ride is pimp.....yo."
Chip pulls out his best niggabilly when hitting on chicks
That stupid niggabilly just tried to sell me the bike he stole from my cousins garage.
by S.E.Z. who? July 20, 2006
 
3.
Combination of the slang terms nigga + hill billy= niggabilly
1. An ignorant whiteboy usually from the south eastern region of the United States, that while being a racist agianst blacks, listens to black music ie; gangster rap and hip hop and uses their slang.
2. Any white guy that trys to act like a black guy.
3. Any lieing, cheating, stealing white trash tweeker.
Refering to his friends new pickup truck a niggabilly would say: "Word Preston, your ride is pimp.....yo."

"Does your friend Chuck actually think it makes him cool to act like a niggabilly when hitting on chicks?"

That stupid niggabilly just tried to sell me the bike he stole from my cousins garage.
by S.E.Z. July 19, 2006