The place inside the anus where your excess farts are stored for later in use during the day.
Kyle was storing his farts in his fart sac, then Marc punched him in the stomach and Kyle proceeded to fart, releasing all the farts from his fart sac that he stored.
When an old man goes to take a shit and ends up letting balls soak in the toilet water.
I heard my Uncle hollering from the bathroom, "Dammit, not anther saggy sac wash again? Hehehe, good thing they don't use Tidy Bowl otherwise I'd have me some
Blue Balls!!!"
A Utility Worker who knows all the veteran moves in order to finish a job in a quick and efficient way.
Rookie #1: Oh damn! They are already done with that job?
Rookie #2: yea brother, they are a bunch of Ute Sac's.
Rookie #1: I wanna be a Ute Sac.
Rookie #2: Me too... I'm tired of being a Rook bag
South Sac Iraq the word was coined by a real trap ninja name TrappLyfe on Mack rd who started one of Sacramentos first viral youtube channels featuring girl fights and crack head interviews sadly it was deleted over its content. He was also on the local news after two gang members punched a old white lady where he stated locals call the area South Sac Iraq.