The act of being completely naked while thrusting so hard that your balls sack starts smacking against your taint hard enough to make a clapping sound. It is quite and impressive party trick might I add.
Yesterday, my mom caught me doing the sack clack and she started to join in and she was really good at it!
by RkoIsLife1738 December 1, 2016

by Captain Cunt August 29, 2009

When you wipe your finger under someones nose and they have to identify wether the smell is from your crack or sack
by Cthorn May 25, 2019

by JoJoKarissa April 29, 2014

by J-J-J-JOHN CENA January 8, 2016

A small bag that uses draw strings to cinche shut. Usualy with only one main pocket. Good for holding sporting stuff or moving light at a concert.
by lamlat January 17, 2015

by foxsman October 24, 2008
