Definition of old boy

old boynoun

cậu bé già

/ˈəʊld bɔɪ//ˈəʊld bɔɪ/

namespace

a man who used to be a student at a particular school, usually a private one

Example:
  • They’re having an old boys’ reunion next month.

an informal way of referring to an old man that can show a lack of respect

Example:
  • The old boy next door has died.

Idioms

the old boy network
(British English, informal, often disapproving)the situation in many British companies, government departments and branches of the armed forces where people give jobs to former students of the school or university that they went to
  • Recruiting staff used to be done by means of the old boy network.
  • Most of the managers were chosen by the old boy network and many of them turned out to be incompetent.