In continuation of the slang term mud, which means to do something in an uncoordinated matter (usu. in regards to athletics), the 'sausage' addendum designates the utmost degree (i.e. the nth degree) of uncoordination, ineptitude, 'sorriness', and any and all such definitive synonyms.
1) Suppose a group of people were playing basketball. Suppose further that someone went for a lay-up, nobody guarded him, and he completely missed it (no net, backboard, or anything!). Then, someone can say about that person, "Man, he mud sausage."

2)Suppose a gathering of friends are playing Mario Kart. Suppose further that one of them--let's call him Eric--slips on a giant banana laid by Carlos, a skilled player. Then another of the throng--let's say, either Kevin or Matt--can then say, "Man cuh, you mud sausage."
by Hungry Man XXL October 9, 2005
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The act of passing a piece of shit between two peoples asses back and forth for an indefinite amount of time or until it breaks apart or drops on the ground or just totally disintegrates.
Damn I was watching Devin and Adam perform the oscillating mud sausage but Adam clenched too hard and it broke!

I'm so sad, me and Ross were going for the world record attempt at the oscillating mud sausage but I dropped it on accident after just two hours!
by Jew_God February 1, 2018
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When a man is anal pounding a greek hottie, he pulls out and slaps her in the face with his shitty dick while ejaculating
Susan got Greek mud sausage from the whole football team
by herth October 17, 2007
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