an acronym of Mother Fuckin shit used with exclamation point or question mark. Denotes strong feeling of anger, disgust, confusion disbelief or amazement.
Boy 1- MFS? He is moving to further his solo career!

or

Boy 2- MFS!! Thats crazeee I saw that coming.
by quietadove July 15, 2010
Get the MFS mug.
mezzo-forte
Conductor: This is too loud, I want it mf
Orchestra: *plays louder*
by passwordisa December 1, 2022
Get the mf mug.
an abbreviation used for "multifactorial" to describe when there are many issues/problems/things in your life that are contributing to your current emotional status.
Friend 1: "Hey! How are you?"
Friend 2: "Not too good, actually".
Friend 1: "What's the problem?"
Friend 2: "It's MF".
Friend 1: "Oh, I'm sorry!"
by cyyy May 23, 2010
Get the MF mug.
Moist Fuck Stain -abbreviation for when someone needs to descibe a particularly nasty person amongst people who do not use profanity
John is such an MFS - he left his pregnant girlfriend for some $2 whore
by house_keeper February 11, 2009
Get the MFS mug.
abreviation for "mutual friend"
i met joe on facebook. we were mf
by williamshithead4357 November 27, 2020
Get the MF mug.
Minimal Fuckability Standard -- Differs among everyone. But where a man (or a woman) guages the other sex's attributes in question of whether they would or would not fuck them. Some have lower stands, and others higher. Looks, jobs, and more importantly, alcohol factor in.
Woman: Oh, has a giant mole on his cheek. I don't think he reaches my MFS.

Woman #2: But he drives a Mercedes, I think I will fuck him tonight.
by AdventofConfusion September 24, 2009
Get the MFS mug.
abreviation for "mutual friend"
Jow is my main mf
by williamshithead4357 November 27, 2020
Get the mf mug.