n: 1)a small sac like ball which is filled with tiny pieces of rock, sand, or plastic.

2) a circle game of usually 4 or more people in which you use a hacky sac to play.

Approximately a bit larger than a golf ball, it is played by using your feet (sometimes hands but only in attempt to keep it in the circle). You can also use your body (such as your head) if the hacky sac is high in the air after a pass.

see also: hack, Biff Master Flex
Julie: Hey guys wanna play some hacky sac at lunch?

Kyle: Yeah sure, I'll bring Howard and a couple other guys.

Julie: Nice! I bet you any money Howard's gunna do some crazy stunts and biff like a mother fucker...as always.

Kyle: Yeah most likely, Oh, don't forget to bring a hacky sac too.

Julie: But of course!
by ae123456 January 15, 2009
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played when bored with frustration of picking it up over again when miss kicking it.
FUCK i pick up the hackey more than i kick it
by Anonymous October 19, 2003
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A game best played by stoners, you hit a small ball with bead in it and you have to kick it back and forth between the people playing.
just google hacky sack, then you get thousands of examples
by RIP lou-dog February 5, 2008
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a fun game for stoners or stoners-wanna-be's. basically, everyone who's not a prep can play it.
are we playn' hack after school at Mitch's Shed?
by Sasuage April 21, 2004
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A game where a small, filled sack is kicked to be kept up in the air. Also a great way to be suspected of smoking marijuana.
Cop: Hey guys..
Players: Sup dude
Cop: Uh, you guys have been playing hacky sack for like an hour now... You don't have any weed on you do you?
by stoner09876 January 10, 2012
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-=I've moved my definition from hackysack to hacky sack

The most fun, yet most addicting school time game.

Usally played with 7-10 people in a circle. There are many game types. Here are a few:

Elimination -

When the people stand in a circle, and the sack is kicked, if you miss the sack (other than on a serve) you are out. If the sack hits the middle or "no mans land" nobody is out. When there are 2 people left, the first person to get eliminated holds the sack, both players touch it, and the sack is thrown up. After throwing up, whoever misses the sack first/hits a bad hit is out.

FreeStyle -

When a group of friends kick to each other, and play sack. No rules, just kicking.

Sacked -

Everyone in the circle kicks the sack once, then passes it to someone else. If the sack hits the ground, or the same person twice before everyone has kicked it, you lose. Every 1 sack is when everyone in the circle hits the hackey sack once.

ShowOff -

No rules - friends kick to eachother showing off their best moves, i.e. Jester, otr, high top, russian jesters.. etc etc.
(1)Elimination - HOLY SHIT, I CANT BELIVE HE MISSED THAT HACKY SACK, IT HIT HIM IN THE CHEST! OH WELL, HES OUT.

(2)FreeStyle - Pass the hacky sack here kris, oh wow you failed.

(3)Sacked - Damn, we got 7 sacks there before mario miss kicked the hackey sack.

(4)ShowOff - HOLY SHIT, he just tripple russian jestered into that hacky sack into an otr!
by The Sack Master September 22, 2009
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A game played by douchebags at festivals like Coachella where asshats in knit caps (whether it is 100 degrees or not), hipster beards, gross sandals, "I Can't Breath" shirts, and khacki shorts play before you beat them over the head with a Louisville slugger.
"I play hacky sack, I listen to Mumford & Sons, I call AC/DC "dad rock," and I am a fucking douchebag!"
by Fumetti666 April 22, 2015
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