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1- An expression used to express good luck in an impending situation, particularly of the sexual nature

2- Something Said when a ladies man walks by
1- Guy One: I'm gonna go and get Raquel's number
Guy Two: Swing, Daddio.

2- Player: Wassup Ladies?
Third Party: Heh. Swing, Daddio
by Busta B. March 07, 2007
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