1 definition by HellerKeller69

Top Definition
NSS
A kind of sleepover that involves a girl that just wants to cuddle and a guy with an uncomfortable boner all night long.
Polsy and Heller had an NSS last night?

Did they ... ya know?

No, dude it was a NSS. Non sexual sleepover.

Oh, thats gay.

Exactly!
by HellerKeller69 April 05, 2010

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