• abbreviation of 'the fuck?'
• Team Fortress, a videogame (TF2 for it's currently popular sequel)
• abbreviation of transformation, usualy used by furries (like tf human -> wolf)
Guy: What grade did you get?
Nerd: An 'A' :)
Guy: Get tf off!
Gamer: Wanna play TF?
Guy: Sure, if you mean TF2
Gamer: pff...perfectionist
Guy: I can't find the tf comic you were talking about
Furry: Let me send you the link again...
AKA. Transfer.
Very cool manouvre in Tony Hawk Games wich may look impossible.
Used to impress other people or for betterflow.
It may look difficult, it's not.
Requires simple practice/stealing to perform it.