Mather Feck 

The south park version (especially Cartman) of Mother Fuck. Pretty self-explanatory...

"Mather Feck Kyle! You feckin jew!!" (No racism implied, honest.)

Mather Feck by Cyrus Bonez July 14, 2007

mother feck

something you say when you want to slap your mother right in the face. Used the same as Mother Fu**er just loads more fun to say.

"mother feck, i just stepped in poo"

mother feck by The Dark Knight Returned January 13, 2006

Motherfeckers 

How retarded people spell "motherfuckers".

You motherfeckers

Dude, don't try to be cool. That word is disgusting.

Motherfeckers by Notyourguy July 12, 2018