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
Mug icon

Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

Buy the plush