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.
The water in the pool was so cold I had a sack-on.
by Mrpyz76 March 29, 2005
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It's when a girl deepthroats ALL the way and her lips touch the scrotum(ballsack)
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"!
by TheSackMan July 8, 2010
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testicles, balls, or nuts (pl.)
Mom, dad was looking at sacks on the computer!
by jawsh March 3, 2004
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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."
by BroBro23 February 27, 2018
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a dare for someone to do something reckless and seeing if they have the balls to do it
no sack
by big poppa 302232 June 30, 2010
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Shitty
Autistic
Crappy
Kids
(Not to be confused with autistic/mentally retarded people, only jerks)
"Hey, stop harassing him you Sack!"
"WTF? What is a Sack?"
"You and your mom, bitch!"
by GhøstByte86 December 2, 2019
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sacking is a NZ slang for pussy, scared or trying to run from a fight.
eg: person 1: fuck you wanna fight bro. person 2: nah im algood later bro.
audience: fucking sacking it.
by pissyboytickenontheocean December 15, 2017
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