recherchez un mot, comme the eiffel tower :
 
1.
Not safe for school, like NSFW, but not safe for school instead of work.
Guys, check this site out... Careful though, its NSFS
de Anuj Saraswat 2 juin 2005
 
2.
NSF
NO SUFFICIENT FUNDS

When your chequing account does not have enough money for the chequeholder to cash.
sorry, your cheque came back NSF.
de ik999 17 mars 2006
 
3.
NSF
No Strings Fun, having sex with someone without getting into a relationship with them.
girl: i'm looking for a full-on relationship
guy: fuck that, i want NSF!
de zigzag604 3 octobre 2011
 
4.
NSF
An ancient word, usually it is found in old cyrillic or aramaic texts acompanied by a simple drawing of a bovine form and/or swords. It is often used to refer to a group of people that are "more 1337 than you", or a series of deviant sexual perversions.
"You suck, we are NSF!"

"So I got some glue, ballpoint pens, and teacups together last night and NSF'ed your mom!"
de assrabbit 14 juillet 2004
 
5.
NSF
Non-Sexual Friendly way.
So, if you were saying goodbye to a friend you'd say:
See you tomorrow! Love ya NSF!
de dumbledoc 8 mai 2007
 
6.
nsf
national science foundation
NSF funded our grant for $329,500.00
de jack the azz 9 janvier 2009
 
7.
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."
de Der Duh Blah 17 mai 2011