oldboy
noun(old boy)
an alumnus especially of a boys' school
oldboy
noun(old boy)
a man who is a member of a long-standing and usually influential clique especially in a professional, business, or social sphere
oldboy
noun(old boy)
a usually white Southerner who conforms to the values, culture, or behavior of his peers
oldboy
noun(old boy)
an informal system in which wealthy men with the same social and educational background help each other