matkojebca 

It's simply a calque from English - "motherfucker". It is not popular (if at all existing) in Polish dictionaries. Common translation of "motherfucker" in Polish is:
"skurwysyn" or "sukinsyn".

Matkojebca i wujkojebca to dobre przyklady slangu w stylu serialu South Park.

matkojebca by Kamil U. May 14, 2008

matkojebca 

Matkojebca is a polish word, similar to the motherfucker in english. Isn't very popular, but exists.

Wypierdalaj zjebany matkojebco.
Ale z niego matkojebca.

matkojebca by Parker March 7, 2004