NOS

Acronym for the social title "Nigga on standby," which is used to address a party who is consulted for additional assitance, or 'backup'.

"It ain't no big, O. I got a NOS in da back, so you jus' chill."

by MariSama44 August 26, 2008

NOS

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 19, 2002

NOS

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 10, 2003

NOS

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

NOS

A Crutch

I cant build a real engine so I'll use NOS 3 times then my engine explodes.

by Chevy June 28, 2003

NOS

Nitrous Oxide setup by NOS for an engine.

Basically, if you use nitrous oxide, your car isn't fast enough. NOS is crap. Get a real engine and you won't need NOS.

Shit, that guy has nitrous? What a loser. He should get some sense and so some real shit to his engine.

by Anonymous June 10, 2003

NOS

1. Displaying or marked by a lack of consistency, especially:
a. Not regular or predictable; erratic: inconsistent behavior.
b. Lacking in correct logical relation; contradictory: inconsistent statements.
c. Not in agreement or harmony; incompatible: an intersection inconsistent with the road map.

2.Lacking a sense of responsibility; unreliable or untrustworthy.

3.Of, relating to, or having a sexual orientation to persons of the same sex

He NOS'ed us on the scrim last night, or
he NOS'ed axium in the ass last night.

by Slu+PLz? May 30, 2005