What does FOS stands for? (2005 version)

As above Mr. Green

Full Of Sai

Freaking Obsolete Stuff.

Laughing

Freedom of Spam Mr. Green

fools of singapore

Freaks Of Singapore Mr. Green

Froggie Of Singapore

Fat Obese Suckers.

Freddy of sgForums Laughing

Funniest Of Sgforums

Laughing

Freaking Obese Sycophants Laughing

Fart Out Sh!t Mr. Green

should be Force Out Shit

Flying On Shit Laughing

face on shit Laughing

fat otah sticks Laughing

Feel Our Sh!t Mr. Green

Fireice On Shit.............
opps!!
hopes she is not reading this Laughing

F**king OJ Simpson.

Laughing