Abbreviation for New Technology File System, the file system introduced with windows NT to replace the file allocation table (FAT) system.

The *nix kernel is not compatible with NTFS at present.
you'd be more secure with NTFS you know
by SilverFalcon October 10, 2004
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Guy 1: Dude check out my new iphone! it's the best smartphone on the market.
Guy 2: Yeah, i got myself a blackberry
Guy 1: NTFS man!
by H-ABB August 7, 2010
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nice tight fit.

the perfect dick.
fits well, just exactly as intended.
perfect in length and girth.
often leads to the best sex you've ever encountered.
other guys will have problems surpassing a sexual experience with an ntf.
melyss: how was that date last night? things end well?

carol the great: well??? they were incredible!!!

melyss: do you mean...?

carol the great: OH YES.

both: NTF!!!!
by perfectimperfection March 19, 2008
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not trynna flex

used to let someone know that ur not trynna flex
yo i just got a dub on fortnite ntf
by kosted March 22, 2018
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An abreviation for (Not Too Fucking Safe). Can be used in an electronic situation, or real life situation.
That link that troll posted was NTFS. or, the way Tim did that flip was NTFS
by Shadowgamerx10 September 20, 2010
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not trynna flex

used to tell someone that u r not trynna flex
by kosted March 28, 2018
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guy1:I have a bad memory
guy2:lol
guy1:ntf
guy2:sorry
by Peter Cole December 27, 2006
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