A prank that entails taking a dump in the toilet tank, as opposed to the toilet bowl. When executing a stadium shit, it appears as though you are seated on a bleacher at a stadium, hence the name.

This prank is usually performed at the residence of one that you dislike.

The result of this prank is that no matter how many times the toilet is flushed, there's still going to be shit in it.
To get even with my boss for stiffing me for a raise, I took a stadium shit at his house when he invited everyone over for Christmas.
by Peter Paul Gualtieri February 11, 2009
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