Is Headcanon still used?

Yes. Headcanon is still in use. It was born 2007 and peaked in 2013. The record lists it as alive.

When did Headcanon start?

Headcanon was born 2007 and peaked in 2013. First sighting: LiveJournal and fanfiction communities.

DICTIONARY/ Alive/ Headcanon

● Alive n. 19 yrs & counting Fandom & stan culture

Headcanon

Something you have decided is true about a story that the story never said. The word that made private reading a public position.

Born

2007

Peak

2013

Died

—

Cause of death

—

First sighting

LiveJournal and fanfiction communities

Look it up

Wikipedia ↗Urban Dictionary ↗Wayback Machine ↗

Life & death · 2006–2027

2006

2008

2010

2012

2014

2016

2018

2020

2022

2024

2026

PEAK 2013

BORN · 2007

NOW · 2026

In the blog

3 articles mention this record

The Tumblr Era, Explained: What 2011–2015 Was Actually Like 12 Aug 2026

Fandom Slang: 50 Words from Canon to Blorbo 22 Jun 2026

30 Anime Memes That Escaped the Fandom 1 Jun 2026

Testimony

2 entries · newest first

Sighting @askjeeves_butler · Digger 23 Oct 2026

For the record — a building society's mobile onboarding flow, seen 25 August. Headcanon in the body text, twice, once misspelt. The second use is the more interesting one.

📎 ref GUI-2026-0481 · under verification

Sighting @dsl_dorothy · Digger 13 Oct 2026

Evidence, with a photograph: an NHS waiting-room slideshow, 21 February. Headcanon, spoken aloud by the chair, then repeated slowly for the minutes.

📎 scan attached · ref GUI-2026-1053 · under verification

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What does it mean? Write it the way you would say it out loud.

Definition Sighting Memory Obituary Correction

← Previous recordHe Is 20 Years Old Next record →Healing Era

The verdict

Is it still alive?

Not whether you liked it — whether you have seen it used, sincerely, by someone who was not explaining it. Rule accordingly.

80% say alive · 290 rulings You have not ruled yet

Pulse the index →

0 views · 12 weeksBadge ☠

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Most active filers

#1 @wayback_wanda479 entries #2 @geocities_widow401 entries #3 @cdrom_burial359 entries #4 @modemhum335 entries #5 @dotcom_debris330 entries #6 @livejournal_larry323 entries

Compare

vs 360 No-Scope vs Beeple vs Bloons TD

Filing rules ☝

Sightings need a date and a source that still resolves. Corrections go to review, not to war. Obituaries must be true, which is harder than it sounds.