muddy waterfall

1. another word for diarrhea
2. used to describe a condition in which after anal sex, a mixture of semen and feces drip out of the anus.

1. Because I ate at taco bell, I had a muddy waterfall last night.
2. The bed sheets got wet from the muddy waterfall.

by Miguel Angel November 9, 2005

muddy waterfalls

Sloppy shit! The kind that runs down your trouser leg if you lose control. Usually after dodgy seafood, or meat with a slight 'oh that tasted weird'!

That lobster bisque must have been off. I've got the muddy waterfalls...

by Klaus October 19, 2004

When one urinates through the legs of another person who is defecating.

Pisser: "Bro, I really gotta piss!"

Pooper: "Dude... I'm taking a shit"

Pisser: "Whatever bro, lets muddy waterfall!"

by fuzzedhead April 30, 2011

When a man is sitting on the toilet taking a steamy poo while the woman sits reverse cowgirl and bangs him hard while taking a piss.

Man, the other night when I was banging my girl Kansas Muddy Waterfall style while I was taking a massive shit, she pissed all over me!