When taking a shit, and you squeeze out one hard, solid turd, but everything behind it is
explosive diarrhea. The solid turd represents the cork of a
champagne bottle, and the
explosive diarrhea represents the champagne that explodes from the bottle like a star going supernova.
The trifecta is when this occurs while you are in an airplane lavatory, the "Champagne supernova in the sky"