Any of the various jobs/assignments/persons in relations to offshore oil rigs / mining operations / various assignments with the quality/quantitiy of being unsafe/difficult/physical.
He had been one of Exxon/Mobile's famous ruffnecks, employed in the Bering Sea for twelve years.
High school drop-outs and other various and sundry dumbasses frequently find themselves "ruffnecking" in the ample oil and gas fields of North Central Texas.
2."Steven is a real ruffneck - Tore out my damn extensions!"
By Mahala
Ruffneck
When you’re significant others arms go out from the exertion you used while banging her from behind, and she gets a rug burn or some other form of inflamation on her neck.