good old boy is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for good old boy come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.