No pants needed
by Adamtheemperor February 20, 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 11, 2022
An acronym for "No Purchase Necessary"
by Cool Breez January 06, 2005