T F stands for "Totally Fucked" -- Pre 1970's expression that is abbreviation for a slang that could not be uttered, due to social restrictions of the time. Fuck and all its conjugations were not the common slang of pre 1970's American campuses. The word Fuck was still taboo, until later in US history, after celebrities and politicians began saying it in public.
The significance is that to say the expression TF as "Totally Fucked" was a final epithet for the situation that warranted the oath. There was at the time no lower epithet to describe your sisters' promiscuity, or the arrest record of your best friend who is now in a coma from OD of LSD.
It is similar to older yeoman remarks like: SNAFU- "systems normal all fucked up"; SOA- "Standard Operating Procedure"... and the like.
Some significance to the importance of the loss of this expression is in the written record back in the 70's of the Nixon Tapes from his Watergate SNAFU... when "expletive deleted" was bleeped out, and bracketed in the periodicals. Most readers filled in the blanks with a T F or equivalent.
Then of course Geo Carlin rambled into history as he spoke of the words one cannot utter on TV, or was that Lenny Bruce?
After we began laughing at comedians and politicians for making fuck and all its forms expletives, T F lost its valuable place depicting the lowest of conditions. >>pd
"That's T F," said LBJ to RFK right after JFK was shot dead.
by MooPig August 30, 2007
Top Definition
The Fuck. Most commonly used as a shortened WTF. However, TF is used in instances when WTF takes too long to be said. TF is also used in a more exclamatory sort of phrasing.
Josh: Hey, dude, look out for the FUCKING TRAIN!

Nate: TF? *hit by train*
by Doople Banger May 13, 2009
The Fuck? sortof a short version of WTF (What The Fuck) only it sounds cooler
person 2: tf?
by bow wow91 August 16, 2009
'the fuck' as in the last two letters of wtf
whotf is this asshole?

whytf did that kid just do that?

wheretf do you think you're going?

whentf did this asshole get here?

howtf did that shit just go down?

by Bophadeez May 24, 2010
Tf simply means The Fuck. Short for WTF
Lex: Tf are you looking at?!

Marrel: I'm tryna figure it out
by Lexxie732 January 31, 2014
TF stands for 'Teenforumz', a forum for teenagers to get advice on any problem they have.

TF was made by a couple from the UK, but was sold onto new owners in 2011.

The current admins are: Capitan, Bryant and David-.
Manson was on TF all night talking to Starry.
by 854129603TTT January 07, 2012
Twisted Fate. Character on the action-rts game League of Legends.
Looks like im gonna be fighting a tf mid
by Jimbo 559 July 22, 2012
?TF is an acronym similar to WTF but instead means who the fuck. Normally used in text or online conversations.
Shareequa: ?TF wuz dats bitch yuz waz ups all on at du club
last nite
Tamarcus: Damn babe, i dunno wtf yu talkin bout.
by bibpimpin303 February 05, 2011
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