SIX SEVEN!
From a Philadelphia block number to a British viral chant – and why it tells us so much about magic, mischief, and modern children.
if Hogwarts existed in 2025, I’m quite sure Professors McGonagall and Snape would be tearing their hair out over one particular sound:
SIX SEVEN!
You may already have heard it shouted by schoolchildren in supermarkets, car parks, and even the quiet streets of Oxford.
Several British schools have now banned the numbers six and seven altogether because the moment a teacher speaks them aloud, the entire class erupts into a gleeful, chaotic chorus of “SIX SEVEN!!”, complete with a peculiar wristy hand-gesture.
It is, quite simply, the kind of mayhem Fred and George Weasley would be proud of.
But where on earth did it come from?
And how did a number — just a number — become the biggest youth meme in Britain?
The truth is wonderfully strange, and oddly magical in its own way.
Six Seven – From Southwest Philadelphia to Hogwarts-adjacent Chaos
To understand why eleven-year-olds across Britain are chanting “six–seven!”, we have to begin somewhere unexpected: the 6700 block of Southwest Philadelphia.
In the early 2020s, a group of young men in that neighbourhood formed a loose rap/street collective called YSN. The initials most commonly stand for Young Successful N*** — an aspirational, entrepreneurial identity used by several Philadelphia artists.
Their community identity was tied to one particular number:
67 or 6700, referencing their local block.
For them, this number meant place.
It meant friendship, loss, belonging, ambition, survival.
One of the artists, YSN Uth, used “67” repeatedly in his music and interviews. It became part of the sonic fingerprint of that corner of Philadelphia — meaningful to the people who lived there, invisible to everyone who didn’t.
Had things stayed local, that would have been the end of the story.
But magic — or at least the internet — had other ideas.
The Spell Breaks: “Six–Seven” Becomes a Sound
Another Philadelphia artist, Skrilla, used a repetitive “six–seven” chant in one of his tracks.
On TikTok, the audio was quickly adopted as a soundtrack for basketball clips, dances, and inevitably, comic exaggeration.
What travelled was not the meaning.
What travelled was the sound.
TikTok does this constantly: it extracts a tiny audio loop, strips it of all context, and sends it drifting across the world like a stray spell escaping a wand.
The chant was:
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short
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rhythmic
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easy to imitate
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satisfying to shout
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perfect for absurd humour
It became, essentially, a spell with no incantation book.
The 6–7 Kid and the Birth of a Meme
The moment everything accelerated was when a short clip circulated of a boy courtside at a basketball game shouting
“SIX–SEVEN!”
with infectious joy.
You can picture it, can’t you?
He looks exactly like a Muggle-born first-year who has just discovered the Banishing Charm.
The clip exploded across social media.
And suddenly the chant detached entirely from its Philadelphia roots.
By the time it crossed the Atlantic, the number “67” had:
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no cultural meaning
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no backstory
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no geography
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no connection to anything except its own sound
It had become pure, collective mischief.
Why British Children Love It (and Why Teachers Despair)
If you spend any time with children aged 8–14, this part will make perfect sense:
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It’s disruptive.
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It’s communal.
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It’s slightly naughty.
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It confounds adults.
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It has a built-in rhythm.
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It creates instant laughter.
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It’s the verbal equivalent of setting off a Filibuster Firework in a Charms class
Some teachers now report that they cannot say:
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“page six”
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“question seven”
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“six times eight”
…without the room detonating into “SIX SEVEN!!”
Several schools have banned the chant.
One banned the numbers.
One banned the hand gesture.
Yet Dictionary.com have voted it Word of the Year!
And all the bans, naturally, make it even funnier for the children.
As Professor Dumbledore himself knew:
“Youth cannot be expected to sit quietly when mischief calls.”
Why This Belongs on a Harry Potter Tour Website
Because Harry Potter is, more than anything, a story about school life, childhood behaviour, and the joyful anarchy of learning among friends.
“Six–seven” is the modern equivalent of:
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a Dungbomb
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a misfired Levitation Charm
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Peeves humming rude songs
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Ron and Harry cracking up in Transfiguration
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Fred and George selling Skiving Snackboxes
It is everyday mischief — not malicious, but communal, curious, alive.
The chant also reminds us that children today live between worlds:
the physical world of classrooms, and the digital world where a tiny audio clip from Philadelphia can become a national phenomenon overnight.
Hogwarts had its own version of this.
Remember all the little spells and phrases that echoed through the corridors?
Children have always created their own codes.
Today’s Muggle-born pupils simply have TikTok instead of Zonko’s Joke Shop.
The Cultural Journey of a Number
Here is the trajectory in one line:
A meaningful neighbourhood marker in Southwest Philadelphia
→ becomes a chant in a rap track
→ becomes an internet soundbite
→ becomes a TikTok meme
→ becomes a national classroom phenomenon in Britain
→ ends up banned in Year 7 maths
→ becomes an irresistible story for adults exploring how children communicate today.
It is, in its own way, a kind of cultural magic — the ability of a sound to travel continents, shed its meaning, and reinvent itself as shared joy.
Visiting Oxford: The Home of Real Magic
If “six seven” tells us anything, it’s that children love stories, symbols, chants and nonsense just as much as they did in J.K. Rowling’s world.
And here in Oxford, you can step inside the locations where those stories came alive:
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the Great Staircase at Christ Church, where the first-years arrived for the Hogwarts sorting
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the stunning cloisters of New College, seen when Draco is turned into a ferret
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the Divinity School, where Harry recuperates in the hospital wing
Just as modern pupils shout “SIX SEVEN!” in fits of delight, generations of Hogwarts students played, joked and disrupted lessons in much the same spirit.
The Oxford Harry Potter Tour
We offer a premium Harry Potter walking tour of Oxford, designed for adults and families who want something richer than the usual tourist trail.
We visit all three Harry Potter film locations at Oxford University with a professional, local Oxford guide, and former Oxford student whose authentic experience, inside knowledge, and sheer fun will enchant you!
You’ll walk through the real filming locations, uncover Oxford’s hidden magical history, and gain the insider stories that make Hogwarts feel alive again.
Our private group tour is £85 per person and perfect for:
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parents and grandparents
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families visiting Oxford
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fans who appreciate detail, storytelling & authenticity
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adults looking for a memorable experience for their children
If your children are shouting “SIX SEVEN!” at home, they’ll feel right at home on a tour where magic truly happened.
