A source of immensely funny words of the "day" (chairness). Also a great place for smart slackers to discuss every single thing ever.
May be used as and adjective, or noun.
Abbr. AcaDeca.
That guy's so AcaDeca, that he should get a gold just for acting the part.

I'm going to an AcaDeca meeting on Thursday night at 5:30-7:30 at the high school in World Language 107.
by Alex Nye April 25, 2005
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1) Making absurd or funny comments in the back of the class, and get a great response.
2) A competition wherein requires hours upon hours of studying
3) To spend hours writing a speech that you know will never be given to anyone outside of the classroom.
4) To be Ghetto
1) Jimmy's comment was so Academic Decathlon, the teacher even laughed.
2) Academic Decathlon can be a PAIN IN THE ASS, but I love the class.
3) I Academic Decathloned for about 6 months now. It sucks that all that work, and building myself up has come to absolutely nothing.
Hahaha.
4) AYE bee awl Academic Decathlon awn yoh izznazz ihf yoo downt bak awf.
by David Demola April 25, 2005
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Organization of Asians with no social life who compete to see who's never going to get laid.
Student#1:"Are you going to the Academic Decathlon meeting today?"

Student#2:"Fuck no!"

Student#1:"Haha, I'm just fuckin' with yah. You wanna go smoke some weed?"

Student#1:"You're damn right I do!"
by Zen Master April 25, 2005
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A place where all imaginable sporting goods are sold and where parents bring their kids to play when they run out of ideas. Parents welcome.
Husband/wife: The kids are in bed early this evening, what happened? Are they sick?

Wife/husband: Oh no, I just took them to Decathlon after school.
by Martijowenw November 25, 2021
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A place where kids won’t cry even they get separated from their parents.

Everything can be touched, tested, and played with.
“Me and my husband have been stuck here for 3 hours since our kids entered...”
“You are in Decathlon???”
Yaaaa… everything would not be at its original place once they see it.”
by letuwillbdone November 25, 2021
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A space of time to do whatever one desires. Sumthing ev3ryone want but cannot obtain due to AcDec

Abbreviation: AcDec
Costco Dad loves Academic Decathlon
by Hugh Trevor-Roper May 7, 2018
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