Definitions by Samuel L Mahfuckin Jackson

mahfucker 

A synonym of motherfucker. It is most often used to refer to an individual, real or hypothetical.

"My appendix is about to rupture and it hurts like a mahfucker."

"Look at that stupid mahfucker on the sidewalk."

mahfucker by Samuel L Mahfuckin Jackson December 31, 2013