fas 

flat ass syndrome

Yeah red beans and rice did miss her.. she's got that fas

fas by uncle Tay-Tay May 26, 2003

FAS 

Federation of American Scientists.

They are an organization that has existed since the Manhattan Project. To this day they continue to exist for the sole purpose of providing YOU, the researcher, with information regarding all kinds of weapons from different nations as well as, given FAS's history, information on nuclear weapons and other WMD's.

"Please donate to the FAS."
-a little pop-up window that appears once in a while on the FAS website

FAS by Dave September 10, 2004

fas 

Foetel Alcohol Syndrome. Usually used when refering white trash hicks who look deformed

Man Luke looks really fas.

I drank a quart of liqour yesterday and fuck I feel fas today

Shit the fassiest chic served us at sandwhich king today

fas by Dispersion February 25, 2004

fas 

for a second, numerous other things as well...heh heh...

can you chill fas?

fas by Mark Zakhary May 19, 2004

FAS 

Used at the end of every sentence by the enigmatic Olaf. One of the biggest rules in the world is that you never, ever ask what FAS means.

I like boob bubbles that pop and become bigger boobs and turn into boob bubbles.

FAS!

FAS by Pelkiebum July 5, 2004

FAS 

a fucking hot swimmer; anyone associated with a swim team that is known for his fucking hotness

Look Leslie! FAS is taking off his speedo!

FAS by Dana October 11, 2004

FAS 

Flat Ass Syndrome. Caused from sitting on your ass for excessive periods of time.

Man I've got a really bad case of FAS. I shouldn't of been a lazy bum all day.

FAS by turkey 128 August 14, 2010