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3.
a redneck who likes to raise hell: drink heavily, smoke pot, commit petty crimes, and other illegal and seedy behavior.

Used as a term of pride among anti-social poor whites.

While a hellbilly is not necessarily a racist, many have white power sympathies.

Origin: a combination of "hell" and "hillbilly."
Small towns in Appalachia and the Deep South are hellbilly territory.
by slickbillie August 16, 2009
 
1.
A real badass hillbilly. The typical Hellbilly drinks hard liquor, smokes weed, is fond of cussing and doing things many folks would call blasphemy, gets into fights often due to a don't fuck with me attitude, packs a gun, has tattoos, has a general disregard for authority, loves driving pick up trucks down muddy roads, and is hell-bent on living life to the fullest and doesn't care what people think. Often listens to or plays Country and Death Metal. See Hank III for an example.
Yours truly is a Hellbilly.
by OneBadAsp October 25, 2006
 
2.
Hillbilly with attitude. Likes fast cars and rock chicks. Has tattoos covering at least 20% of his body. Known for public drunkenness and urination.
"hey man, you see dat cat right der.. dat's one hellbilly som'bitch"
by Chris Gaines August 08, 2003
 
4.
one who likes his butthole caressed by strange men at the rest stop
Hellbilly is often at the rest area after hours.
by Fucker August 11, 2003