when a person has the runs and it splashes shit water into your ass crack.
"Tom I just shit on my own ass". How did you do that. I had the runs from them new valcano tacos, and it came out too fast so i got a muddy creek.
by crandall777 November 21, 2008
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When you're giving your gal some anal action missionary style ask her to urinate so it mixes with the mud and washes down her her crack creating a muddy Creek.
I was pounding my gal's mud hole when the clam dam broke and washed the mud down the creek. Causing a muddy creek.
by Ducks74 July 24, 2021
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