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Definition of McFly


  • form of address for someone who is not on the ball, or is missing the obvious. From the character Marty McFly in the Back to the Future movies.
    Hey McFly, the book's over here!

    Last edited on Jul 15 2013. Submitted by Lori C. from Pompano Beach, FL, USA on Feb 13 2003.

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Definitions include: used to describe a bad action.

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