The art of pretending to be tired before having sex so that you can immediately fall asleep afterwards and skip the pillow talk, emotional breakdown, honest confessions, etc..
I knew that she was wanting to talk about the abortion so I made sure to look like I was napsacking as soon as she came over.
by B-rad D. March 14, 2012

by Napsack June 18, 2003

by necisito ir al bano December 09, 2008

by Snake Eater 100 May 17, 2009

by oldmanjenkins April 21, 2009

by niggapopglockyea April 17, 2010

Where your put your testicles on the eyes of a passed out person on a train. Usually one testicle for each eye.
by Ty is awesome July 23, 2022
