Top Definition
An explosive bowel movement which usually will turn the cornhole inside-out. Typically, lifting the feet from the floor plastering the inside of the bowl with feces.
I was good dahn Mexico until I drank that water. I was sitting on the pot with a fecal tsunami the rest of the day. Shit was flying everywhere.
by Mizzlebwey January 28, 2014
5 Words related to fecal tsunami

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