Good old boy and Hillbilly

Good old boy noun - A white male Southerner with an unpretentious convivial manner and conservative or intolerant attitudes and a strong sense of fellowship with and loyalty to other members of his peer group.

Hillbilly and good old boy are semantically related. in hick topic. In some cases you can use "Hillbilly" instead a noun phrase "Good old boy".

Hillbilly noun - An awkward or simple person especially from a small town or the country.

Good old boy and hillbilly are semantically related. You can use "Good old boy" instead a noun "Hillbilly".