good old boy
noun /ˌɡʊd əʊld ˈbɔɪ/
/ˌɡʊd əʊld ˈbɔɪ/
(North American English, informal)- a man who is considered typical of white men in the southern states of the USCultureThis 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.