FM 

To be dull, comatose, longwinded, unexciting

Dude wake up, you are so FM

FM by Grouper August 19, 2006

FM 

FM's are a commonly used slang for fake money

Ayo don't mix your FM's with your other bread or you fuck up and get bagged.

FM by amirib February 3, 2017

FM 

Fucking machine.
It's used in reference to a person who would you fuck repeatedly.

"Bro, that girl is such an FM, damn, wish I had a chance!"

FM by XanocoX March 18, 2018

FM 

We'll be seeing you in the fucking morning!

Alright then! In the FM!

FM by O¥o® July 28, 2019

fm 

Fake mexican

wow Ur such an fm

fm by chickenhead534 August 9, 2019

fm 

Fm sometimes means "For me", "For my" and maybe even "Fuck me"
It's the way you read it makes sense

(For my) I'm waiting fm little brother to get the fuck off my Xbox.
(For me) Fym?? 2nd period just ended fm. -a past conversation I had using "fm"
(Fuck me) Fuck me bruh ...

fm by anonymous December 7, 2020

FM 

FM:When you someone to fuck you/you are stressed and something bad/inconvenient happens so you scream FUCK ME

You:finally I finished all my online homework
Computer/electronic Device notification:sorry I sent out the wrong homework just finish the new homework

You:FM

FM by Why im I living March 28, 2021