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Where you drop a dollar bill through a hole or grate in the floor to lure someone in and then you shit on them.
Guy: Sharon! Get over here, I'm gonna Australian Bomb Drop on Casey.

Sharon: Okay, let me run downstairs and watch. (runs downstairs)

Casey: Oh look a...(shit on)

Sharon: Bwahahaha! That is so going on Youtube!
by Perplexing Enigma April 18, 2011
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