A natural phenomena when a man's testicals tighten and raise up, to allow access to the "taint". This could be caused by cold weather.
by Mrpyz76 March 28, 2005

Ingrid: "Did you get head from that girl at the party last night"?
Opie: "Yeah".
Ingrid: "How was it"?
Opie: "She went all the way down to the sack"!
Opie: "Yeah".
Ingrid: "How was it"?
Opie: "She went all the way down to the sack"!
by TheSackMan July 9, 2010

by jawsh March 3, 2004

The act of being incredibly lazy, as in lying around like a sack of potatoes. One who sacks is often seen lounging on their couch all day playing video games and watching movies.
Jim: "Yo have you seen Alec today?"
Mike: "Not yet. Did you check his apartment? Bet you he's sacking on the couch."
Mike: "Not yet. Did you check his apartment? Bet you he's sacking on the couch."
by BroBro23 February 28, 2018

by Templar314 December 17, 2016

no sack
by big poppa 302232 July 4, 2010

eg: person 1: fuck you wanna fight bro. person 2: nah im algood later bro.
audience: fucking sacking it.
audience: fucking sacking it.
by pissyboytickenontheocean December 14, 2017
