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old boy

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noun [countable] British British English pronunciation: old boy 
Word Forms
singularold boy
pluralold boys

Related dictionary definitions

  1. 2
    informal old-fashioned used by some older men for talking in a friendly way to another man

    What do you think, old boy?

    1. a.
      used for referring to an old man

      The old boy was believed to be a retired bus driver.

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