The fandom for 5 Seconds Of Summer. Short for 5SOS Family because we are not a fandom but a family. Everyone is loving to eachother. The boys of the band are Micheal Clifford, Luke Hemmings (lucas), Ashton Irwin, and Calum Hood all love the 5sos Fam. Easily the best fandom you can be in. It's a beautiful place with pizza,kittens,puppies,rainbows,and band merch. But at the end of the day Jack Hemmings slays the game.
God the 5SOS Fam is the most supportive fandom there is. I love the 5sos Fam so much♥
by mrs.malum July 14, 2016
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The group of fans of the Australian band 5 Seconds of Summer or 5SOS. This is actually a short form for the 5SOS Family, but is more commonly used to describe the fans. The band consists of Michael Clifford (guitar, backing vocals), Calum Hood (bass guitar, vocals), Ashton Irwin (drums, backing vocals) and Luke Hemmings (vocals, guitar).
Fan 1: Are you part of the 5SOS Fam?
Fan 2: Of course! I love them and their music.
by adedicated5SOSfammember December 29, 2014
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Literally the best fandom in the word

5SOS actually appreciate us and notice.
Fan A:I can't believe 'Beliebers' won!!! (iHeartAwards, Best Fan Army - 2016)
Fan B: I know!!! We should have tried harder. The 5SOS Fam have already won for 2 years
Literally every member of 5S0S: Even though we didn't win, we appreciate you guys. We know how hard you worked, we are already winner because we have you guys
by XXNatalieHoodXX April 16, 2016
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The group of fans of the Australian band 5 Seconds of Summer or 5SOS. This is actually a short form for the 5SOS Family, but is more commonly used to describe the fans. The band consists of Michael Clifford (guitar, backing vocals), Calum Hood (bass guitar, vocals), Ashton Irwin (drums, backing vocals) and Luke Hemmings (vocals, guitar).
Fan 1: Are you part of the 5SOS Fam?
Fan 2: Of course! I love them and their music.
by adedicated5SOSfammember December 29, 2014
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A big ass army of people that would be willing to sell their souls for the pop-rock band 5SOS. They all have a deep and incurable obsession with 4 hawt af Australians that happen to be incredibly talented.

Once someone falls into the 5SOS Fam, there's no way out, trust me.
I'm 3737320947923% done with the 5SOS Fam but I can't escape the memes
by smallmf June 5, 2017
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The name of the Fandom for Aussie pop-rock band 5 Seconds Of Summer. Luke Hemmings, Calum Hood, Michael Clifford, Ashtom Irwin (youngest-oldest) Band was formed 2011, December. / 5SOS Gave this name 5SOSFam for their dedicated fans.
The 5SOS Fam is too big.
by nxrvana-rql April 12, 2015
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Crazy motherfuckers who will distroy you if you say anything about 5sos that they disagree with.The 5sos fam are not fans but a family...who will cut the shit out of you. :)
Ex.
Lexi: This is my favorite band.*points to picture*Im apart of the 5sos fam.
Tom: Eww boybands
*Slash*5sosfam5secondsofsummer5 seconds of summer5sosfamfamilyashton irwinMichael CliffordLuke HemmingsCalum hood
by Mrs.Collinsxxx December 7, 2015
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