a game played by really awesome people with great hair. also can be refered to as "the sac"
lets go play hacky sack cuz we're so attractive
by cookiesNcream07 September 2, 2010
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testicles. hanging genitals, escpecially large, hairy ones. also when some one bangs thier scrotum
"eew man your hackey sack is mad hairy!"

" ow! my god damn hackey sack! FUCK!"
by bob February 5, 2003
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The first sunday of the month shall be devoted to hacky sack.
April 3, 2005

It begins
by Jeremy March 29, 2005
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When in a threesome, the act of a man's testicles slapping against the forehead of a third member located beneath the man's partner.
Roger: Gladys, why is your forehead so sweaty?
Gladys: Man, Frédéric just gave me Indian Hacky-Sack with Joanne. It was ball-slapping fun!
by Funny Boner December 12, 2015
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The act of fondling a man's salsa covered scrotal sack using only your feet, usually performed as foreplay.
"Dude that mexican chick we met last night gave me an awesome mexican hacky sack before she went down on me"
"Maria started her intimate night with her husband off right by whipping out the salsa and giving him a mexican hacky sack as foreplay"
by Anal-annihilator6969 September 24, 2015
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1. sucking and licking my scrotum (like the girls do in Jonni Darkko’s films “Suck Balls” (2010); “Suck Balls 2” (2011) & “Suck Balls 3” (2013); all released by pornographic production studio Evil Angel).

2. riding me hard or dogging me (as a boss does to a peon worker or something like that); or incessantly annoying or pestering me in some way.

3. talking (id est: "yacking" or in this case "yackin'") to me in such a way that you are incessantly annoying or pestering me with your prattle.

Examples for #s 2 & 3:

2. Would you stop yackin’ my hacky sack about the Dallas job. I told you three times already, I have another customer’s order that takes priority. I won’t be able to get to the Dallas account until next week, probably not till Thursday or so. Jesus!

3. My little nephew followed me around all day telling me about his model train set and his dream of being the world’s first interplanetary janitorial supplies salesman. I mean I got to the point where I just couldn’t stand it. I finally knelt down, smacked him across the face and vociferated, more in desperation than malevolence: “would you please! stop yackin’ my hacky sack, just for 10 minutes, please!” But it didn’t make any difference. I mean, I guess, what do you expect on Thanksgiving, right. Sheesh, . . . family.
Example for #1:

1. Ralf: That slut Phoenix Marie was crazy on my cock last night man! She’s all messy and sloppy with the blowjob, and she does everything, I mean she’s an all-rounder when it comes to the oral sex action. She started out sucking dick like the pro she is, but then she started yackin' my hacky sack and shovin’ her fingers down her throat to get profuse amounts of sputum on the bag, rubbin’ it all around the lose sweaty bumpy skin and slurping it back up along with the tea bag, then with all this spit and my bag in her mouth she practically starts ululating, making this gargling spit sound and humming vibration feeling trying to get me to bust. Shit, but what finally lit me off was when right after all that she swallowed the cock down her throat and vacuumed up the balls into her mouth too, just sitting there on her knees, sputtering and gagging all this sloppy slimy spit out her mouth and nose, with most of it streaming out her nose ‘cause her mouth and throat were filled with my cock and balls!

Shit man, it was crazy, and the worst part is, she didn’t finish ‘til Isha prayer was five minutes in, so I was late for that.

Tim (disapprovingly shaking his head from side to side with one corner of his mouth in an unsatisfied looking smirk): huh, figures. I tell ya . . . bitches.
by Vikki Jezebel Blood January 17, 2014
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