Vulgar Slang, based on the word "Mother Fucker". Used in refference to a person who is attracted to men who are much older then they are (old enough to be their father).
1. Stepmother; or girlfriend of a divorced father, especially one difficult to get along with. 2. Any female who has influence over a father and uses it to make his children's life unbearable.
2. My sister has my Dad totally under control: The little father fucker knows how to get her way.
1. A Mother Father fucker is similar to a mother fucker. A mother fucker is someone who fucks your mother. A Mother father fucker is someone who not only fucks your mother but he fucks your father too. He may, or may not be Bisexual.