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 July 7, 2005

NSFI

being a little bitch. like a real little bitch.
being such a little bitch that you fucking die.

sometimes a tall man who is over confident

Foxxie: man is that guy such a NSFI
Aki: i know right

by trademarked sponge December 12, 2019

NSFS

when something is so shitty it isn't safe for sex

Yo that was some nsfs shit dude.

by Totally_Ryan September 16, 2017

NSFS

Similar to NSFW, however stands for Not Safe For School, which is more strict than Not Safe For Work, including vulgar words, violent content, sexual content, etc.

This website is definitely NSFS
Just stay away from NSFS content

by Billiam Beaver May 21, 2017

nsfi

not safe for idiots

school is nsfi

by 👨🏻‍🎓 January 28, 2018

ns8siwk

1-What happens when you get mad at loosing to a couple of 8 yr olds at *insert random game here*
2- now used by people to express laughter

Person 1: hey bro I just killed my grandma!
Person 2: ns8siwk

by Eygbywuydw February 4, 2021

NSFIB

"NSFIB" stands for "not safe for intelligent beings," a humorous take on the common internet acronym NSFW (not safe for work), suggesting content that might be too absurd or unintelligent for any being to engage with

That guy posted some garbage that needs to be labeled NSFIB!

by CrackBuster January 26, 2025