FMB

“Fucking my dick”

This guy was FMB last night it was so good

by AlexDrugrinch April 10, 2023

FMB

Fuck My Butt

hey, i want u to fmb (fuck my butt)

by fuck my butt December 17, 2022

fmb

Fuck My Bro

Sorry, I don't want to have sex with you. You can fmb.

by Ps_x October 3, 2023

FMB

Follow me back

Hey I followed you fmb.

by Cobber87 April 23, 2021

fmb

fight me bitch

u really gonna say that dog ya know what square up and fmb!

by Addythequeen November 27, 2018

Fmb

For my baby

I'll do anything fmb, she's so amazing!!

by Hajad567 December 22, 2016

FMB

Fleshy Meat Bag

FMB is used in software development to denote referencing the physical human that the a digital representation represents.

"After they log in, we need to do a passport check so we can link with their digital identity with their fleshy meat bag"

by FleshyMeatBagDave May 9, 2025