Short for "Thanks for the info!".

Meant to be used sarcastically when a person spontaneously tells you something you do not need to and/or want to know.
HosΓ©: "I had the most horrible diarrhea yesterday."
You: "TFI!" or "Thanks for the info!" (with a sarcastically surprised look)
by J4NN333 January 12, 2010
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Too Fucking Intimate.
Too Freakin' Intimate.
Too F'n Intimate.
Various situations apply. Such as a group of friends are together and one of them is telling a story and provides extra intimate details about a person. That's TFI!

Or someone opens a bag of chips and is sharing it and one of the others double dips and/or stick his hand in the bag to get more chips after licking his fingers.
That's TFI!

Or A person talks about their bathroom habits or their underwear preference with coworkers.
That's TFI!

Or A coworker calls another coworker from the bathroom or bathtub.
That's TFI!
by Fryguy February 03, 2007
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Total Fucking Idiot. Term that should be used to describe terrorists who blow themselves up in public places, instead of "suicide bomber." Such a person should be treated with absolutely no respect.
Our top story tonight... A TFI killed at least 20 people in a busy street in Bagdad today.
by FoodWordSwim September 18, 2009
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"Too Fucking Important"

usually used when describing someone that is full of themselves or an annoying celebrity.
girl 1 "omg Miley cyrus is amazing"
girl 2 "what are yu talkin bout bitch? She is tfi"
by Sisimiller July 21, 2010
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"The Fuck-Its"
that moment when you just dont give a damn about a situation; what ever happens, happens.
" i was been spazzin about the test all week, but when the time came, i got TFI and just chose C for everything
by Jaquez Ghostov October 17, 2011
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anacrynm for Think Fuck It; an expression often quoted by followers, supporters and advocates of Don't-give-a-fuckism, a state of apathy or indifference.
1st person: "We're gonna be late if you don't get a move on". 2nd person: "Hey, TFI"
by buzz_11 October 24, 2010
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