FFT Is an acronym for; Fat Fucking Tits
Chris: “dude did you see that pig with them big ass sloppy titties?!?”
Mike: “heh, yea bro she had some FFT”
All together: “FAT FUKKIN TITS!!!”
by C. MURDER April 28, 2021
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Food for thought. Used to sign email messages that provoke thought but do not have direct call to action.
Think big, yo.

FFT,
<T>
by Thraxxis August 23, 2008
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An acronym used in mostly FPS's, it stands for: Fan Fucking Tastic...it's generally ment to be sarcastic but can be taken literally

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HEADSHOT!!
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You just got owned!
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BJ.Pen15 "wow that was FFT, great job buddy..."
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by J.Z.L February 4, 2009
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-"I want a FF that requires you to think."
-"Get FFT."
by Mastermind May 8, 2005
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Fast Fourier Transform
A shitload of maths that turns a squiggly line into another, usually far more complicated, squiggly line. Used in radiology, electronics, telecommunications, general mathematics, physics, sound editing, composing, photography and video editing, as well as more, niche, use cases.

A spectrum or spectrograph in most modern software is usually the result of an FFT algorithm.
Michael: How can I get the spectrum of this signal?
Josh: Hit the FFT button
Michael: Ah right the Fast Fourier Transform! Thanks!
by Crash_Logger February 23, 2022
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Tom; Life is a stream.
RJ; FFT.
Tom; For sure.
by Joss. April 1, 2018
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