When the lady lies on her stomach with back arched and the gentleman sits on her shoulders with the head of a turd sticking out (see turtle head). He then procedes to slide down her back with the aid of the turd.
"I built up so much speed giving her a mud slide the other night that I got whiplash."
by Andrew June 18, 2006

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When a male sits on a woman's face and tit fucks her while defecating into her mouth.
Her lips were slippery with Peter's lunch while he gave her the mud slide of her life.
by Rod Pierce April 16, 2006

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When you leave shit streaks in the toilet bowl after taking a dump and flushing. This is usually caused by heavy consumption of light beer causing your stool to be loose but not quite diahrrea.
I left a mudslide in Bill's toilet this morning after drinking a lot of Natty Light yesterday. Sorry Bill.
by Lumpy76 December 08, 2005

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When a couple is actively engaging in intercourse and the guy accidentally slips out but keeps going with the motion and jams his penis up her asshole.
Joey accidentally mudslided me and now my butt is sore!
by Janet O'Malley June 07, 2007

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when you take a huge crap and it runs down the sides of your toilet.
i took a pretty huge crap in mcdonald's and left a mudslide there.
by ZOMFGAH June 04, 2006

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a milkshake made of ice cream and beer
that chick said her mudslide bring all tha boys to the keg
Till Archaic went and got the bitch tattooed on his leg!
by bojzzle September 01, 2006

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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When the lady lies on her stomach with back arched and the gentleman sits on her shoulders with the head of a turd sticking out (see turtle head). He then procedes to slide down her back with the aid of the turd.
"I built up so much speed giving her a mud slide the other night that I got whiplash."
by Andrew July 23, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt