mfs 

Abbreviation for mommy freckles.

I’m a spelling bee. Bzz bzz mfs.

mfs by poppy.milk January 16, 2021

mfs 

most frequent smokers. that is all you need to say.
the MFS colors are green and black. must be a three six fanatic to be in MFS. have to have a kick ass nick name and have invented a new way of smoking.

GPMFPN, J-Bo, Lil Shrizzle, Hooooogland, Nizzle Grizzle, Yolizzle, nig on twig, Dizzle Bochizzle, and Pizzle Rizzle are the original members of MFS.

mfs by yolizzle July 16, 2008

MFS 

Middle Finger Salute

Listening to Marylin Manson was a MFS to society

MFS by DirtyxFonzy February 14, 2021

MFS 

standing for “members of school” , commonly confused with the more vulgar version of mf/mfs - causing it to be less used as of recent

“MFS” don’t condone the use of red pens in tests.

MFS by professional wording February 22, 2021

Mfs 

White people be using this word only because they can’t say nigga 😭😭

These Mfs are always so annoying pretending to be on shit

Mfs by Bobmarleyfr October 16, 2022

mfs 

Abbreviation of "Ministerium für Staatssicherheit", the East German state security service.

A: Goddamned mfs!
B: I too am not a big fan of the Ministry for State Security of the German Democratic Republic

mfs by Souur September 10, 2025

MFS Train 

When you and your co-workers run gangbang a bitch you met at the bar.

Noah: No cock blocking tonight you guys!

Luke: Fuck that! If one of us picks up a bitch we are all fucking her!

Josh: Oh yeah! We are running a MFS train on that bitch!

Luke: Mother Fucking Slut Train!

MFS Train by Boris98 April 20, 2018