A fork of Rural Dictionary
For motherfucker's sake
Guy1: I gotta go outta home fmfs Guy2: Damn dude you should've told me earlier
FMF - Funky Monke Friday The day where you go all out and go crazyyy aahhh go stupid
Person 1: “Oh, Its Friday today.” Person 2: “Oh cool, Its FMF.”
FMF can also refer to "fill me full". As in group sex or orgy. When I mentioned it to a female friend she said to her it ment fuck me forever.
I learned this off Craigslist. A female had FMF DP. As in fill me full double penetration.
Fucking my family paradox, The theory you can never get too close to someone who is having sex with a member of your family because of the expected akwardness. Also can be used as fucking my sister paradox or fucking my mother paradox.
Friend 1: My Sister's boyfriend keeps trying to be my best friend. Friend 2: So what's wrong with that? Friend 1: FMF paradox man, it's too awkward.