English

Definition of good old boy noun from the Oxford Advanced Learner's Dictionary

 

good old boy

 noun
noun
BrE
 
; NAmE
 
(North American English, informal)
 
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a man who is considered typical of white men in the southern states of the US Culture This is an expression used by white men in the southern US states to refer to a man they like and welcome into their group. He is usually a friendly person who has an easy manner and enjoys typically male activities.
See the Oxford Advanced American Dictionary entry: good old boy