Top definition
A high speed diarrhea event, which upon hitting the water, splashes all over your buttockal area, much like the graffiti that is splashed throughout the subway.
If Bob had not decided against adding crackers to his jabenero chili, he may have avoided the Subway Splash.
by TheSein September 13, 2011
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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