What is Mfer?
1.
1. One who follows the guidelines, rules, and regulations of Mattitude; a Mattitude Follower.
2. A word used to censor yourself while trying to say "motherfucker".
1. Shannon Moore is an MF'er
2. I'm gonna kill that MF'er Johnny!
See
2.
1. Mattitude Follower 2. mother fucker