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3.
Derived from the rapper Jroc from the Canadian tv show Trailer park boys, just another way of sayin Mother Fucker, just with a twist
Yo that ma fucka over there is suckin his teeth at me.
by DylanDouglas March 11, 2010
 
1.
As said by J-Roc on "Trailer Park Boys", a mafucka is the urban bastardization of motherfucker (q.v.) however its use can vary widely, see example:
"Game's postponed because no mafuckas can go to Canadian Mafucka and get a new orange mafucka for $2.99 !?"
by J-to-the-R-O-C August 07, 2005
 
2.
The pimp way to day motherfucker
I'm finna get in this mafucka ass
by duse February 28, 2005