look up any word, like blumpkin:
 
1.
fs
Full Service - conventional sexual intercourse
by swinger September 19, 2003
1045 278
 
2.
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
44 26
 
3.
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
253 246
 
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
66 64
 
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
49 53
 
6.
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
92 100
 
7.
FS
A Group Of Vandals, Writer's, Peicer's, Or Graffiti Artist's From MODESTO CA, FOOT SOLDIERS/FOREVER STYLES/FOREVERLY SICK/FREAK SHOW.

MESY.MESTO.BYMO.BYMORE
Let's Go Out Bombing With The FS Squad.
by MESY February 05, 2009
45 55