Urban Dictionary: FAS

fas

flip a shit

if my mom sees how trashed this room is, she's gonna FAS!!

by ahead of her game January 31, 2010

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fas

flat ass syndrome

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

by uncle Tay-Tay May 26, 2003

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A ten-year-old that plays Fortnite normally virgins

it stands for 'fortnight addict "

"Doctor is my son okay"

"Nope, the nurse's tried to stop the virus but sadly he has gone full FA"
"no this can't be true"
"SHUT THE FUCK UP IT CAN BE TRUE; you fucking hoe.

by HARDITtheHERB March 19, 2019

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Short for fail.

You fa so much dude

by Bigboi279 August 27, 2019

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Fatass
Eg. Albert, Sean, Krystal, Sally

Man, you FA...hogging the chips.

by Seanzilla91 January 01, 2008

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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

by Dispersion February 25, 2004

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fas

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

can you chill fas?

by Mark Zakhary May 19, 2004

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