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When you purposefully defecate in your underwear and then sneak up on an unsuspecting person while they are sleeping, and wrap the underwear over their head and don't let them out....... At least for a long enough time that you think you got em back.
"Awww man i slept at Sean's house and he gave me a Montreal Death Shroud... I've got pink eye and Ecoli! I'm never sleeping there again!"

by VE3-FCK February 09, 2009
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