Definitions by DarkSovereign

TSF 

Talking Shit Frequently - One who talks a lot of shit.

Man these fools are tsf'ing again.

TSF by DarkSovereign September 30, 2005

TSF 

Tactical Strike Force - An elite clan in Wolfenstein: Enemy Territory version 2.55.

TSF pwns n00bish clans.

TSF by DarkSovereign September 29, 2005