No pants needed
by Adamtheemperor September 05, 2016

Npn is an acronym for "no pants night". Normally Used when it is very warm outside and you are not going to wear any pants.
by Bograbbit March 22, 2017

Grace has drained an insane amount of NPN directly from them. She has trained herself to orgasm in response to NPN.
by Janet Tervo May 10, 2022

by Cool Breez January 05, 2005
