1 definition by SpodermanUnlimited

Abbreviation for "For Flying Fuck's Sake". This is much more serious than the regular "For Fuck's Sake" and shouldn't be taken lightly.
Joe: "For Flying fuck's sake, Carl! Come here."
Carl: (Thinking to himself) "Yep, I'm fucked."

In text chat:
Jeanna: John, I just found out at the doctor that I'm pregnant
John: FFFS, Jeanna, we used two condoms!
by SpodermanUnlimited November 4, 2016
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