I would consider a dumpy mofo to be a person who is not only a mother fucker (mofo) but also quite dumpy. HOWEVER a dumpy mofo does not have to be on welfare or techinacally fuck a mother. A dumpy mofo is someone who is quite grubby and for embellishment you add mofo at the end.
by Pookiegirl July 7, 2013
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dumpy mofo
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