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 June 27, 2013
by BEANS WITH A Z November 08, 2021
by MrTophat2875 October 08, 2021
by RonaldReagansdog February 29, 2024
by Ahmazon June 01, 2023
by BiggestElongatedScrotom May 13, 2021
the phrase used when one is leaving a twitch stream for a while but will still have it playing in the background, dumpily.
by emmajayunderscore May 20, 2021