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"Fuck The Skull Of"

An expression of hate or derision. Popular at MIT in the early 2000s, from which it spread to the internet at large. Possibly a reference to Full Metal Jacket, in which the drill instructor threatens to "gouge out your eyes and skull-fuck" a recruit.
The MPAA sued another kid for downloading mp3s. FTSO music execs
FTSO by maekern April 30, 2011
Related Words
ftso ftsoc FTSOF Ftsofh ftsofuiudsfkpwm ftsoh ftsom ftsoo FTSOOH Ftsoom
Elisha so fine I’ll ftso him.
Ftso by Realshreet July 15, 2022
For the sake of fuck.

FFS = "for fuck's sake", NOT "for fuck sake".

And, "for fuck's sake" = "for the sake of fuck". Just as "for Pete's sake" = "for the sake of Pete", or "for goodness' sake" = "for the sake of goodness".
FTSOF by The Spelling Fairy October 23, 2009
I want you to ftsom
ftsom by babykins February 23, 2015
bob: hey rob whay do you think about bobby?
rob: i would totally ftsoh. she reminds me of your mom.
ftsoh by zarmstr1 June 8, 2009