A general state of feeling like the boss. It is not referring to being at work. It is more of a state of power, a temporary feeling. You are the shit for a minute. Used as an adjective to describe a feeling.
You must feel so foss with that new car man.

"That outfit your wearing makes you look like the boss."-Person 1

"Yeah man, im feeling foss."-Person 2
by fossboss August 13, 2009
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A word to describe the undescribable. Something that is at the pinnacle of exellence and wealth.
"His house is so foss. I want to say amazing but only foss can describe it." That guy is isnt flossy but fossy.
by big gun61 August 9, 2009
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foss is an arabic word for fart or flatulance
tony aratet foss?????
tony did you just fart?????
by VoiceOverGuy August 5, 2009
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A weakling that is really below average

Derived from the 1980's Alexander Foss
Man you really fossin it tonight
by JoeSkirt October 7, 2012
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a punk. comes from the t-dot
that boy's a fosse
by Anonymous November 22, 2002
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The best online female gamer you will find anywhere in the UK

Agent 47 : FOSS, THAT WAS A NICE SHOT
Foss : ;) you get me
by yumiko July 14, 2007
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