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1.
NVS
NVS is an acronym for Negro VooDoo Shit.

1. a highly touted or special event that seemed impossible to achieve but was accomplished.

2. an out of the blue happening.

3. something completely crazy.
"Randy Johnson killing that bird with a pitch was some straight NVS!"

"Dude got struck by lightning!" "Wow that was some NVS."
by Pucken Firate February 28, 2009