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2. Costume Malfunction
October 31, 2009 Urban Word of the Day
An embarassing exposure that can be blamed on clothing.
No, Janet didn't flash the world on purpose. That was a costume malfunction.

OR

Oh, my fly's down? What a costume malfunction.
by Rachel Feb 3, 2004 share this add a video
1. costume malfunction
When that cheap rubber band or the staples that hold the rubber band in place on your Halloween mask break.
OMG! Everyone at the party thought I was George Bush until my mask came off.