Acronym for Nation State or Nation States, an online political simulation game.

In the army, means "Non serviceable"

Meaning "no shit". Also often termed as no shit sherlock.

Nothing Special, used when you don't want to say alot to describe how you feel at the moment.

nS stands for New School. 'Tis an abbreviation for New School.

The lowercase-then-uppercase type is a way of making it look cooler. "nS" originated from Nitto 1320 Challenge, where taking after the team OldSchoolRacing, NewSchoolRacing was created, for the reason in that most racers on the game were not the ones that played around the time of OSR or OldSchoolRacing, therefore NewSchool. nS is painted on the cars, and looks very attractive.

Newschool or New School
The opposite of oldschool (see: OS). This means that a thing is from a newer age (2000+)

"Nasal Sex" (verb): having sexual intercourse with a woman, though not through the vagina, but, rather, penetration into the nose. Can be used when describing relations with a friend's mother.