emeffer 

Another way to say "m f-er", or "motherfucker."

You cow. You're such an emeffer.

emeffer by Carmen Ostrich. October 26, 2007

emmeffer 

n. a censored motherfucker.

"... so out of nowhere this emmeffer walks up to Jeff and says ...."

emmeffer by El Martillo January 11, 2009