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a natural phenomenon which occurs when anal sex goes seriously wrong, resulting in ones member being completely covered in faeces from tip to base.
yes i was with her last night, except after receiving the most horrific mud sock ever, i'm not sure if i'll be seeing her again.
by p-oke-her-face October 18, 2010
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2
Gross, Richard Gere left his mudsock in the gerbil cage!

After last years pride parade, it took three days to clean up all the mudsocks.
by Mrs. Smarts October 27, 2011
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