Definition of "motherfucker"

(vulgar) Expressing dismay, discontent, or surprise.  examples

(vulgar, offensive) An extremely contemptible or mean person.  quotations  examples

(vulgar) Any person, often but not always with the connotation that the person is disliked or is threatening.  examples

(vulgar) An extremely intense experience, often but not always negative.

1. (with as or like, forming a compound unit adverbial intensifier) To an extreme degree.  examples

(vulgar) A good very close friend or relative.  examples

(vulgar, literally) One who engages in incest with their mother.  examples

(vulgar, literally) One who engages in sex with a mother, not necessarily one's own.  examples