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The opposite of a mackdaddy. A man who tries to portray the image of a confident, suave, ladies man and is actually perceived as a poser, or a joke.

This term also applies to sugar daddies who fall short of the basic standards set forth in a sugar daddy/sugar baby relationship. These whackdaddies will want to play the role but only for the perks associated and not because that are true sugar daddy material.
That guy over at the bar is such a whack daddy! He used the oldest line in the book to get my numbert.
by MissMisunderstoodKansas September 04, 2015
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