motherfucker

noun

1. 1

   (strongly vulgar) An extremely contemptible or mean person.

   “Up against the wall, motherfucker.”

2. 2

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

   “Check out this motherfucker.”

3. 3

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

   “I jammed my finger in the door yesterday. It hurt like a motherfucker.”

4. 4

   (teasingly, friendly, jokingly) A good very close friend or relative.

   “How’ve you been, you crazy motherfucker?”

5. 5

   One who engages in incest with their mother.

6. 6

   One who engages in sex with a mother, not necessarily one's own.