A nice and funny person who has problems saying the word 'no'. A hard-core gamer with a preference for Halo, and sensitive about losing to girls. Athletic but skinny because he runs too much. A great boyfriend, who always looks after his girl.
Word stems from the company Nitrous Oxide Systems, or NOS. For some reason ricers call all nitrous oxide systems NOS, even though it's the company name. They didn't create nitrous oxide, "they simply perfected its use and elevated to a position of prominence." Nitrous oxide is written as N2O.
It sounds like a nice way to describe a cute picture of a child with a cute puppy...but it's actually when onegentleman is gnawing on the phallus of another gentleman. Generally they don't draw blood but it does happen from time to time.
Don, can I gnawwwww on your engorged phallus after you've finished that carafe of Creme de menth?