Fmfs

For motherfucker's sake

Guy1: I gotta go outta home fmfs

Guy2: Damn dude you should've told me earlier

by why she is taken! February 21, 2021

FMF

Fuck my fingers

Ian: I beat rubiks cube fmf

by Fmf12345 June 27, 2021

FMF

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.”

by Poop-brains November 08, 2020

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.

by To E Z March 05, 2021

FMF Paradox

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.

by Billy Mcgee February 19, 2014