MNF 

An abbreviation for Monday Night Football on ABC.

The Rams play the Seahawks in a divisional matchup on MNF.

MNF by Seye November 22, 2003

MNF 

Must Not Fap. When seeing hot photos/videos of someone

Ohgad she pm'd me... MNF!

MNF by jopx December 5, 2014

MNF 

mnf means my nuts fam

an example of this is “yo malik fly over here and bounce on my nuts crodie”
malik: “ight bet hol up”
*malik bounces on nuts too hard*
me: MNF BRO MNF BRO STOP!!!!!
please vote to publish it would mean a lot❤️

MNF by thecreatorofMNF April 2, 2020

MNFL

My nigga for life

Yo, he my MNFL, so shut up before I have to come beatcho ass

MNFL by Fam up July 17, 2016

MNFLAME 

Usually on found on the online game ROBLOX, these "MN FLAMES" will do anything to troll you and make u depressed or even suicidal.

MNFLAME: Hey Niggah U Shold Kill Ursel...
XxLilBaby32xX: *Kills Self Irl*

MNFLAME by Cheenis Man March 27, 2019

mnfr 

it means my nigga for real

thanks for covering for me you’re mnfr

mnfr by chris browns wife June 28, 2022