Moist Fuck Stain -abbreviation for when someone needs to descibe a particularly nasty person amongst people who do not use profanity
by house_keeper February 10, 2009
Get the MFSmug. abreviation for "mutual friend"
by williamshithead4357 November 27, 2020
Get the MFmug. 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.
Woman #2: But he drives a Mercedes, I think I will fuck him tonight.
by AdventofConfusion September 24, 2009
Get the MFSmug. by Ivan February 28, 2005
Get the mfmug. by pi squared March 23, 2005
Get the Mfmug. by troublee19 May 10, 2012
Get the mf'mug. 