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Noun: old boy  ówld boy
  1. A familiar term of address for a man
    - old man
     
  2. A vivacious elderly man
     
  3. A former male pupil of a school

Derived forms: old boys

Type of: adult male, alum, alumnus, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], golden ager [N. Amer, informal], grad, graduate, guy [informal], hombre [Brit, N. Amer, informal], man, old person, oldster [N. Amer, informal], senior citizen, sod [informal]

Encyclopedia: Old boy