And within 48 hours, it had exploded into a full-blown cultural mystery that has Americans from coast to coast scratching their heads and hitting the share button.
Here's what we know, and folks, it ain't much.
Sometime late Tuesday, a user on a popular social platform posted nothing but the letter "v" in a comment thread.
By Wednesday morning, that single character had racked up tens of thousands of likes.
By Wednesday afternoon, it was everywhere.
That's the million-dollar question nobody can answer.
Copycat posters flooded timelines with their own lone "v." Celebrities dipped a toe in.
Brands jumped on the bandwagon so fast you'd think they were being paid by the consonant.
Suddenly your aunt's Facebook feed, your favorite athlete's Instagram, and a random weather account in Ohio were all posting the same single letter like it was the secret password to a club nobody remembers joining.
Internet linguists (yes, that's a real thing now) have floated a dozen theories.
Some say it's an inside joke from a gaming community.
A few insist it stands for "victory," though victory over what remains stubbornly unclear.
Nobody has a clue, and that's exactly the point.
And that's what makes this whole thing so deliciously, painfully American.
A single letter is cheap, fast, and impossible to argue with.
You can't be wrong about "v." You can't be canceled for "v." It's the lowest-stakes participation in human history, and we are absolutely here for it.
Social media experts say this is the natural endpoint of a culture that has squeezed meaning out of everything else.
When every post is a hot take and every comment is a battle, a meaningless letter becomes a tiny vacation.
It's the digital equivalent of shouting "SQUIRREL" in a crowded room, except nobody even bothered to pick an animal.
Critics, of course, are already rolling their eyes.
They call it proof that the internet has officially run out of ideas.
Sometimes a thing goes viral because it's clever.
Sometimes it goes viral because it's stupid.
And once in a blue moon, it goes viral because it's just weird enough to make strangers feel like they're in on something together.
Memo to anyone trying to monetize this: good luck.
It wants to sit there, tiny and smug, while millions of us try to decode a joke that was never actually told.
In a world of relentless chaos and 24-hour outrage, a pointless "v" is practically a public service.
It costs nothing, means nothing, and somehow brings us all together.
Final Thoughts
If that's the future of the internet, honestly, we've survived worse.