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
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
by Conorra July 13, 2005
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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 3, 2005
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An acranom for the company Nitrous Oxyside System. Nothing else. Not nawwss. It a companies name. A ricer's last resort in an argument.
"dood whatz NOS stand for?)
by Obsidian November 20, 2002
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What ricers use as a last resort in a verbal argument even thought they clearly have no idea what they're talking about.
I gots me teh NOS!!!1!!1

What? You bought the company? OR did you buy shares?
by Anonymous March 11, 2003
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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
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.
by Chris [ fo prez ] March 24, 2005
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I need this to make my suck ass slow car run fast.
I wish I had a big Block mopar so I wouldn't need NOS
by J.F. February 12, 2003
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I cant build a real engine so I'll use NOS 3 times then my engine explodes.
by Chevy June 29, 2003
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