DICT.TW Dictionary Taiwan

 sir·rah /ˈsɪrə/
 小子

 Sir·rah n.  A term of address implying inferiority and used in anger, contempt, reproach, or disrespectful familiarity, addressed to a man or boy, but sometimes to a woman. In sililoquies often preceded by ah. Not used in the plural. “Ah, sirrah mistress.”
    Go, sirrah, to my cell.   --Shak.
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 sirrah
      n : formerly a contemptuous term of address to an inferior man
          or boy; often used in anger