A convention/tour of Vine famous boys. Usually including Cameron Dallas, Nash Grier, Carter Reynolds, Jack johnson, Jack Gilinsky, Taylor Caniff, Shawn Mendes, Aaron Carpenter, and Matt Espinosa.
"Hey you going to the Ohio magcon show?"

"Uhh duh! I cant wait!"
by Vine-Addict February 17, 2014
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A group of famous boys including Nate Garner, Cameron Dallas, Matthew Espinosa, Nash Grier, Jack Glinsky, Carter Reynolds, Jack Johnson, Aaron Carpenter, Taylor Caniff, and Shawn Mendes. They are all famous vine boys that go on tour.
Person 1: Hey did you hear about the new guy being in magcon?!
Person 2: Yes! Who hasn't?!?
by natefan November 11, 2015
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A group of untalented, immature, obnoxious and disruptive teenage boys who deem themselves "internet celebrities." This band of misfits travels across the country to "perform" their acts at hotels and various venues. These acts include: throwing water on each other, singing off key, jumping up and down and riding on hotel luggage carts. People actually pay to see this shit. The "Magcon Tour" has a strong, avid, cult-like following of horny, desperate and ditsy teenage girls who are absolutely infatuated with these boys. After the show, the boys usually go up to their hotel room and proceed to destroy it and post it on the internet.

I would honestly be extremely surprised if these kids are still "famous" in six months.
Immature Girl 1: "OMG Becky, those Magcon boys are having a show this weekend!"
Immature Girl 2: "Pssht, Jenny, that's SO last week. It's all about the Jonas Brothers now!"
Immature Girl 1: "Oh yeah, I like totally love them. They're like soo dreamy."
by 2400 SAT Score March 05, 2014
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Scientific name for a group of cancer cells.
Holy shit it's a Magcon! Don't get too close or you'll get cancer and the only cure is to drink a gallon of bleach
by Dävisonnē Pręscøţť August 02, 2016
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Macgon is a group of wonderful teen boys that make vines. They go on tour and meet fans these boys are amazing people. Us Magcon fans like to call them "internet celebrities" they did recently break up which is so sad to all whole fandom of Magcon.
"i want to see Magcon in tour so bad"
by Magcon is bae af February 25, 2015
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