Definition of "mothafucka"

“I'll kill ya, ya mothafucka,” he shouted.

1972, Anthony J. Manocchio, Jimmy Dunn, The Time Game: Two Views of a Prison‎, New York: Delta, page 158

“Hey, mothafucka!”I opened my eyes and looked across the aisles. “Yeh, Luke?” I said, trying to sound like his old asshole buddy.

1974, Jack Olsen, Alphabet Jackson‎, Chicago: Playboy Press, page 103

Catching a glimpse of the man in Barbara’s dining room Idea stepped back and pulled Barbara into her bedroom across the hall. “Girl, who is that sick-lookin’ mothafucka you got up in yo house? I’m not kiddin’ with you Barbara. If you don’t hurry up and tell me what the fuck is goin’ on I’m leavin’.”

2005, Carole I. Hardeway, Chasing the Moon - The Wilderness, Volume Three‎, Lulu.com, page 70