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8.
1: n. (Medical Acronym) Self-Auditory Chubs Syndrome. Getting a hard-on from hearing oneself talk. People can have SACS over various topics about which they are passionate or on which they think they are experts.

2: v. To SACS out is to go on and on about whatever gives you SACS.
Professor Smartass totally SACS'ed out today in lecture about his current research.

Mothers of only children have hardcore SACS over their seemingly perfect, precious babies.
by NGC August 25, 2007
 
1.
Sac
A fleshy bag containing 2 testicles
by Anonymous October 08, 2002
 
2.
sac
Sacramento, California
"Dude, where you from??"
"Sac dude."
( pause )
"Hella..."
by herbie January 25, 2004
 
3.
Sac
A single unit or pouch containing a narcotic most likley marijuana. Ususally priced at $5, so if you pay more you got gipped
You down to go half on a sac.
by Joe Mama December 04, 2001
 
4.
sac
1. a pouch, fleshy bag, or container, usually holding two nuts, testes, apples, jewels, or others; ballsac.

2. A persons private space, area, or way of life.
1. Dude you just punched him right in the sac.

2. Dude why are you all over his sac, he told you the story already, get off his sac.
by Jordan Nonnenmacher February 23, 2008
 
5.
sac
a derogatory term to define someone as the skin that holds the balls
that guy is a sac!
stop being such a sac!
you are really being a sac right now
by Brian K February 18, 2005
 
6.
sac
The skin that holds your balls.
The neutered dog does not have a sac.
by poeticdarwinism March 03, 2004
 
7.
sac
bag of weed..usualy 20 bills
i got a sac.. lets burn

ight
by pato.. July 10, 2008