Top Definition
A genuinely bad person and a despicable excuse of a human being. backcronymed to form

Motherfucking Ugly Fat Annoying Sketchy Stupid Asshole
That mufassa has been spreading crap about you to anyone that'll listen.
by jprice May 19, 2008
1 more definition
A noun used to confusulate an ignorant individual
Come on Jimbo, it's not rocket science Mu-Fas-Sa
by AB_Drax July 08, 2003

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