What is Mother Father?
1.
Its origin is of no importance only its destiny. It is the clean way of calling someone a motherfucker, cleanly.
You're such a mother father.
2.
An overly complex way of referring to one's Grandfather.
Yo, look at dat mother father, dawg!
3.
An explicative that implies that it's denotee is both a mother and a father; which is at this point a medical impossibility. It is also used idomatically because of it's close relation to the word mothafucka. The word has gained much popularity in conjuntion with the latter: chinese dentist.
Kimberly: Would you help me with the clasp of this necklace? Oww! you just pinched me you mother father.
or
Stuart:This boat detailing job is getting to be a real drag.
Monty: Sure as shit is. Let's ditch these rich ass mother father chinese dentists and go rollerblading or something.
See
4.
a clean way of saying "mother fucker." just like a gangster, i suppose.
brian: ey, you wanna come over tonight?
jane: you sleeping alone tonight mother father
andrea: ooh myyyyy
chris: oh goddd
andrea: mother father
See