MFer 

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!

MFer by Ryder October 9, 2003

MFer 

1. Mattitude Follower 2. mother fucker

MFer by Kevin Counts March 26, 2003

Mfer 

When a mother fucker isn't worth the time it takes to type that many ALL this.

That mfer ain't shit he go back to his baby MoMA before he try to get with ALLthis

Mfer by JustnTime December 30, 2019

mfer 

Stupid fuck face.

What zero pussy does to a mfer.

mfer by Firilikins November 16, 2020

MFER 

BEST GROUP OF FELLA EVER BETTER THAN PARREL BETTER THAN FAZE JUST DIFFRENT BREED OF MFERS LIKE

SUCH A COOL MFER HE IS

MFER by DA CRAYONZ November 4, 2020

MFER 

BEST GROUP OF FELLA EVER BETTER THAN PARREL BETTER THAN FAZE JUST DIFFRENT BREED OF MFERS LIKE

SUCH A COOL MFER HE IS

MFER by DA CRAYONZ November 4, 2020

mfer 

the cutest man whore ever

(pronounced: muffer or ehm eff urr)

person 1: wow that guy is so hot, but i hear he is a prostitute
person 2: IKR, HE'S SUCH A MFER

mfer by rnss <3 February 16, 2021