An acronym for "Fat sack of shit", commonly used to insult people over the internet for being fat in real life.
Stfu you fsos go loose some weight.
by Jack stern June 11, 2008
An acronym for "Fat sack of shit", commonly used to insult people over the internet for being fat in real life.
Stfu you fsos go loose some weight.
by Bob welling June 13, 2008
An acronym for "Fat sack of shit", commonly used to insult people over the internet for being fat in real life.
Stfu you fsos go loose some weight.
by Jack stern June 11, 2008
Fucking Sellout
eg. an individual who has reached the bottom of a curve, at a minus platform, giving him/her no options other then selling out.
F.S.O.

by ~GTS~ August 10, 2008
stands for Fucking Stressed Out.
I came home from work today and my girlfriend was was screwing the gardener FSO!!!!
by Meta4Tony November 14, 2011
Song written by Regurgitator
FSO is cool.
by Tomtom joejoe January 28, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×