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~!
Manawski: Didn't you read my definition?
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