1 definition by Cosmo Romeo

Top Definition
Anyone of complete and total ineptitude, if it involves the simplest of tasks it will be fucked up. Someone who does not have there shit together in the remotest sense
" That motherfucker is the schlumptiest schlumpty known to man, he could'nt find his ass with a GPS and a personal assistant!! "
by Cosmo Romeo August 06, 2006

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