Network Operating System. An Operating System that is the brain of a network. A NOS is required for a Client/Server Network.
by Roflcopterman May 04, 2005

by Rob n Scott September 19, 2005

by Hilly Faggot October 02, 2017

Categorising not permissible
Those are all definite no nos, such as do not comdemn, do not insult, do not gossip, do not judge, do not belittle, do not antagonise, od not criticise.
by Hercolena Oliver December 22, 2008

Not to be confused with the abbreviated form of nitrous oxide, this noun/adjective, is used to convey the message that something is "nice" when its really kind of dumb, accentuating the word nice in order to put down an individual
Depending upon the situation one may also say nos in a positive way
Depending upon the situation one may also say nos in a positive way
Billy: Hey, do you guys want to come to see the backstreet boys live for my birthday
Sam: Billy, YOU'RE NOS
Chris: Dude, i just had the best sluuushie ever!
Conor: Nos
Sam: Billy, YOU'RE NOS
Chris: Dude, i just had the best sluuushie ever!
Conor: Nos
by Conorra August 01, 2005

a dumbass way to street race if u cant handle it u blow up. If u use it correctly u still gotta buy a new muffler tip any way
nos is 4 cheaters!!!
by chicoblaco June 09, 2005

Originally created by two kids named Clark and Mike, the word "Nos" is used to replace "jacking off" or "masturbate" so that they could use the word secretly around people without everyone knowing what they meant.
xMoViEpHoNeX: we couldnt be like
xMoViEpHoNeX: Just JACKED OFF
xMoViEpHoNeX: around people
xMoViEpHoNeX: we couldnt be like
xMoViEpHoNeX: Just JACKED OFF
xMoViEpHoNeX: around people
I shiet son, I need to go NAWSSSS!
Shiet, I think I'm going to NOS in G's ear.
I think Eccy's going NOS to Anime Porn.
Shiet, I think I'm going to NOS in G's ear.
I think Eccy's going NOS to Anime Porn.
by Chris [ fo prez ] March 24, 2005
