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1.
The individual who selects the easiest, least messy task within a given job. Derived from the obscenley disgusting sexual act called the mung where the person acting as the jumper definitely has the less painful assignment.
My roommate conveniently volunteered to clean the bedroom leaving me to scrub the disgusting bathroom. It sucks living with such a mung jumper.
by Doookie April 23, 2007
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