Top Definition
A Mud Ring is the perfect circle formed in a grown ass mans underpants after he sharts.
After Jack sharted he threw his undies in the laundry hamper, Cindy went to take care of the laundry then asked Jack is that a mudring on your underpants.. Cindy then asks Jack why is the mud so thick,
by Whats that football kids name December 20, 2010

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1) The area around the anus where the skin is darker in color than the rest of the body. The mudring if often bleaced by porn stars to make it look nonexistent and thus make the asshole look more enticing.

2) The area around the balloon knot.
My brother has the biggest, dirtiest mudring I've ever seen.
by Hew Janus December 22, 2006

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The Urban Dictionary Mug

Your favorite word on a white mug.

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

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The Urban Dictionary T-Shirt

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the dirty orifice used by many for sexual gratification. also used for excretion of feces.
"I banged that whore in the mudring."
"I just took a huge dump and my mudring is throbbing."

or the ever friendly "she toungue jacked my mudring"
by longboy May 13, 2004

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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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