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"

FMB by FleshyMeatBagDave May 9, 2025

FMB's

Shorter way to say fuck me boots.
FOS's are the opposite of this, fuck off slippers.

Look at those FMB's she's wearing.

FMB's by MadMatt74 November 17, 2003

FMB's

Short for "Fuck-me boots" - Tall, tight leather boots on a woman.
See: Prostiboots

"Check out the FMB's on that broad. You know she wants it..."

FMB's by Karsten T. February 7, 2009