FFS

Favorite Friends sibling

To a friend: your sister Rebecca is my Favorite Friends Sibling (FFS)

by Turtles_Are_Awkward July 9, 2017

ff

ff means forever friend

makayla: you wanna be my ff
tae:ya sure

by kashoutdd August 28, 2022

FFS

Group of smart, leng ppl who are loved by their parents

Friend: Bro ur so leng oml
Me: Yh its cos i joined FFs

by FFKHater September 10, 2022

FFS

FFS commonly known as fat friendly slut(s).

Guy 1: Dude I need to find me a FFS.

Guy 2: I know this girl you can talk to😉

by Unknown01857301 December 30, 2023

FF

Front engine, front wheel drive

FF cars are more eco friendly and comfortable due to lack of driveshaft

by Sir. B February 18, 2022

FFS

"Ferrovie Federali Svizzere", Italian for "the State Railways of Switzerland".

The railway company we're usin gis the FFS.

by Rapunen247 March 7, 2021

FFS

FFS commonly known as fat friendly slut(s).

Guy 1: Dude I need to find me a FFS.

Guy 2: I know this girl you can talk to😉

by Unknown01857301 December 30, 2023