look up any word, like the eiffel tower:
 
12.
FS
Flight Simulator. Means the same as MSFS, so Microsoft Flight Simulator
FS9 or MSFS9 means Flight Simulator 9
FSX is Flight Simulator X
FS2002 is Flight Simulator 2002
etc.
1.
A: Hey, what flight simulators you use when you're flying?
B: FS9, X-Plane, Enemy Engaged, LOMAC. And you?

2. Hey, people, someone wants to fly in FS9 through multiplayer today?
by Azazil_6 April 07, 2011
 
1.
fs
Full Service - conventional sexual intercourse
by swinger September 19, 2003
 
2.
fs
Fucks Sake. Colloqiual (usually Eastern Scottish) internet acronym. Almost identical to ffs but lazier.
fs, those bastards at amazon havent shipped my album yet.
by wadie May 15, 2003
 
3.
F-S
To fireswipe, this means when you enter the subway illegally by either jumping the turnstile or using a broken turnstile.
Are there any PHOENIX around? I think we should F-S vin.
by Shazaamizer June 25, 2006
 
4.
FS
Short for "full screen", as opposed to WS for "wide screen".
Spider-Man.2.FS.DVDRIP.XViD CD1.avi
by RotJ October 04, 2005
 
5.
fs
Short for "Fat Slut" - girls who are obese and still wear tight, revealing clothes in attempts to get sweet hooks.

From the same semantic field as "ys" (young slut).
"Far out why are all parties nowadays filled with fs."
by Drylinerrr October 30, 2011
 
6.
fs
Acronym for Fucking Shit
WTFS? I stepped on a piece of bitch shit!!!!!111
by benhpark December 14, 2007
 
7.
FS
this means "For Sale." People usually use this word on forum sites especially on car forums, but it can be used on any kind of sites where you can sell and buy.

using this word in a thread or forum where you post pictures and description about what you are selling.
For Sale: Front Bumper Lip for 250 shipped.

or

FS: Front Bumper Lip for 250shipped.
by ilovehonda November 15, 2007