Wheelock NS

The loudest fire alarm in north America. (no really firealarmdude5967 made a video on the loudest fire alarm and the NS won)

I tested my Wheelock NS without ear protection and now I'm partially deaf

t@ns

t@ns

t@ns

NS (not shit)

adj. meaning doing absolutely nothing

Greyson (Text Message): To kim- WYD
KIM (reply): Ns (not shit)

NS;DW

No Sound; Didn't watch.
Phrase used online for a summary of a video.

Similar as TL;DR, but used for videos instead of texts.

Could someone give me a NS;DW on this video?