What is Costume Malfunction?
1.
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.
See
2.
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.
