While the word is usually considered highly offensive, it is rarely used in the literal sense of one who engages in sexual activity with another person's mother, or his or her own mother. Motherhumper , motherfugger , mother f'er , mothersucker , mothertrucker , motherfreaker , motherlover , mofo , fothermucker , motherflower , motherkisser and many more are sometimes used in polite company or to avoid censorship. In popular music, the first mainstream rock release to include the word was the album Kick Out the Jams by MC5. In literature, Norman Mailer , in his novel The Naked and the Dead uses it occasionally, disguised as motherfugger ,  and used it in full in his novel Why Are We in Vietnam? Jackson , who frequently utters the word in some films. Arlo Guthrie 's piece " Alice's Restaurant " used a minced version, "mother rapers. Views Read View source View history.