1 definition by 'Joliet' Jake

Acronym term for when things are Fucking Sweet. Used to describe an action or object of excellent or amazing quality.
Also used as 'Effis' or 'The F's'
That chicks body is so FS!
Did you see that snowboarder, his huck was effis!
Hey, Bro. You play that new game yet? I heard it was the F's.
by 'Joliet' Jake February 4, 2008
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