Youth Slang Does Not Turn Over in Months. The Median Term Is Seven Years Old
Across 207 datable terms in our dictionary the median has been current for seven years, and 190 are still in use. The churn everyone notices is a small minority.
Across the 207 datable terms in this dictionary the median has been current for seven years and 190 are still in use, so the rapid churn people associate with youth slang applies to a small and highly visible minority rather than the vocabulary as a whole.
The received wisdom is that youth slang moves too fast to keep up with. Our dictionary holds 223 terms, 207 of which carry a datable range. The median has been current for seven years.
What the distribution actually looks like
| Terms with a datable range | 207 |
|---|---|
| Median lifespan | 7 years |
| Mean lifespan | 7.5 years |
| Still in use | 190 of 207 |
| Already fallen out of use | 17 |
Seventeen. Out of two hundred and seven.
The vocabulary a child uses today overlaps enormously with the one their older sibling used, and substantially with the one their parents used at the same age.
The seventeen that died — and why you have heard of all of them
| Term | Run | Years |
|---|---|---|
| rizzler | 2023–2024 | 2 |
| fanum tax | 2023–2024 | 2 |
| sus | 2020–2022 | 3 |
| bussin | 2021–2023 | 3 |
| ohio | 2022–2024 | 3 |
| no cap | 2020–2024 | 5 |
| drip | 2019–2024 | 6 |
These are the terms that got explainer articles, brand campaigns and morning-television segments. The correlation is not a coincidence: intense visibility is what kills a term. The whole function of in-group slang is to mark an in-group, and it stops working the moment the out-group learns it.
So the terms you have heard of are, almost by definition, the ones on their way out. The ones doing the everyday work are invisible to adults precisely because they are stable.
The other end of the distribution
The oldest terms still in current use:
- innit — since about 1990. Thirty-six years.
- afk, beef, third wheel — since about 2000
- gg — 2005
- tbh — 2008
None of these feels like slang any more, which is exactly the point. A term that survives long enough stops being marked and becomes ordinary vocabulary. That is not slang dying; it is slang succeeding.
It is also not children's language
Most entries in this dictionary carry an age range extending well into the twenties and thirties — 12 to 30 and 11 to 28 are the two most common bands.
That matters for parents in a specific way: a term is rarely evidence of anything about a child's age group or peer group, because the same word is being used by their cousin at university and by adults online. Reading meaning into vocabulary alone is usually reading noise.
What this changes
For parents: you are not failing to keep up. The vocabulary is far more stable than the coverage suggests, and the small fast-moving part is the part that matters least. Of the 223 terms here, 186 are rated safe for adult use, 18 warrant care, and 5 do not belong in a child's messages at all — and that last group is where attention is worth spending, not on the churn.
For anyone quoting turnover figures: "slang changes every few months" describes a handful of viral terms, not a vocabulary. This site said something close to that on its own about page until August 2026, and its own data did not support it.
See the full dictionary with origin, tone and age range for every term at /slang, or the parent-facing version at a Gen Alpha slang guide for parents.