Yo i had like 7 balloons of NOS last night, i was swaying all over the place!
by Ferris A February 17, 2009
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1.) Nitrous Oxide Systems, a company which creates systems for distributing Nitrous Oxide to automobile engines.

2.) Commonly accepted replacement for the term "Nitrous Oxide." However, this is not correct, and anyone who says "NOS" instead of Nitrous Oxide should be shot.
uber1337: I GOTS NOSSSSS IN MY CIVIC~!
*Bang*
Manawski: Didn't you read my definition?
by Manawski March 5, 2003
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1. An energy drink in a can or bottle designed to look like a NOS cartridge.

2. Derived from the abbreviation of the company name Nitrous Oxide Systems (NOS), one of the pioneering companies in the development of nitrous oxide injection systems for automotive performance use. Basically, it makes your car go a lot faster.
1. I had a NOS last night, it was kickass.

2. When you're looking to go fast, rely on NOS.
by dksgslgksdgs December 2, 2007
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1) Noise that a nerd/geek makes

2) An insult that can be used against nerds/geeks

These nerds/geeks are usually online gamers and have a know-it-all attitude.
1) Person: I tried to upload this music file but it says it's too big :(

Nerd: You fool, the file you are trying to upload is Wave which is a high quality format using lossless compression. Convert it to Mp3, that will reduce its size as it uses lossy compression.. NOING! *fixes glasses*

2) Nerd: lol dude i downloaded the best program, it lets u auto mine on runescape1!1!! ub3r l33t hax0r lolz 1!!! ELEVEN1 SHIFTPANCAKES!1!

Person: SPEAK ENGLISH YOU FUCKING NOING!!!



by Japanime January 28, 2009
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Acronym for , Nitrous Oxide Sytems, used for fuel injected cars ( can be used for carbuerated, with a lot more hassle and cussing) to boost the car's acceleration by injecting a pre-determined shot of nitrous oxide into the fuel-air mixture. Doing this creates a feeling similar to turbo-charging your car. This can sometimes be a cheaper alternative to turbo or super chargers. However, nitrous requires refilling whereas turbo does not, so turbo pays off in the long run. Both can create an undesirable high pitched sound commonly heard in briggs and stratton's, I mean 4-bangers. So for a way to increase performance w/out 2-stroke sounds, please see NA
riceboy-dude my nitrous made my car do an 18 second 1/4.
chevyman-yeah, that's cool, my camaro ran that stock without leaving 3rd. ALL THROTTLE, NO BOTTLE!!!
by Don June 22, 2005
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New Zealand/Brit. slang: Nitrous Oxide, also under the aliases "Laughing Gas" and "Hippy Crack", which give euphoria for a short period of time, taken via balloons that are blown up with the gas and then inhaled.
"Oh man, the first time William had some nos he just sat there and grinned for thirty seconds."
by Liz Fox May 12, 2005
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a fictional prescription drug that is very addictive and has extreme side effects, such as growing the opposite sex's genitalia, genitalia falling off, blood dripping from the throat, water dripping from the foot, and extreme bitchiness
"Mrs. D., you seem very bitchy today. Are you high on Nos?"
*grows dick, pussy falls off, blood drips from neck, and water drips from foot*
"Yes, Brian, as a matter of fact, I am. STFU TY TY."
by someonebutnotanyone June 12, 2015
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