nsf

the cDc's Ninja Strike Force, that is, the Cult of the Dead Cow. A group of degenerate mentally disturbed but highly dangerous cyber criminals who try to deflect their own insecurities and lack of prowess augmented by their inherent drug abuse problems by causing unwanted damage on innocent peoples computers and businesses.
it is allegedly the nsf who organised the attack on ACME companies networks.
by Agent Orange July 29, 2004
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NSF

Nut suck and fuck. (NSF)
Come over so you can NSF.
by Sajeeb Chan July 07, 2010
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nsf

not so fun
I have the flu, it's nsf.
by JohnnySemor February 05, 2019
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NSFS

Dude two girls one cup is NSFS. Pain Olympics too. and 4Chan
by ZawesomeSaucem April 27, 2010
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NSFS

This picture is NSFS
by Yosef Solomon April 15, 2009
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NSFS

Naval Surface Fire Support: Fire provided by Navy surface gun and missile systems in support of a unit or units.
This is the USS Cole DDG-67 Arleigh Burke-class Aegis guided missile destroyer, requesting additional Naval Surface Fire Support.
by trampish June 27, 2005
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NSF

Non-Sufficient Funds
Banker: "Sorry sir, the check you deposited last week has been returned due to Non-Sufficient Funds"

Customer: "Wow, really, that's my paycheck."

Banker: "Yes sir, here's a copy of the check. As you can see, it's stamped 'NSF' from the paying bank."
by Der Duh Blah May 18, 2011
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