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attaboy

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interjection at·ta·boy \ˈa-tə-ˌbȯi\

Definition of attaboy

  1. —used to express encouragement, approval, or admiration



Origin of attaboy

probably alteration of that's the boy


First Known Use: 1909


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WORD OF THE DAY

a timid, meek, or unassertive person

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