The Future of Slang: How to Evaluate Predictions About Online Language

Predicting which slang will survive until 2030 is much harder than spotting a phrase in today's feed. A recommendation feed shows what a platform selects for one viewer; it is not a representative sample of how a country or generation speaks. A phrase can appear repeatedly in videos while remaining unfamiliar to people outside that audience.

This article offers a method for evaluating predictions, not a forecast based on a SlangWatch research dataset. We do not have evidence here for a universal slang lifespan, a measured rate of acceleration, or the share of slang created by AI.

Editorial correction, September 21, 2026: An earlier version presented numerical trend estimates and research claims without supporting sources. Those claims have been removed. The examples below are constructed illustrations, not research observations.

Separate Visibility, Adoption, and Meaning

When someone says a term is becoming popular, ask which of these they mean:

• Visibility: the term appears in posts or search results.
• Adoption: people use it themselves, beyond quoting or explaining it.
• Meaning: speakers use it in a recognisable sense, although irony and local variations may remain.

These are different questions. A hundred posts explaining a word are not the same as a hundred independent conversations using it naturally. Neither count tells you how many people understand it.

Consider this illustrative sequence: a creator uses "locked in" while preparing for a game; a commenter asks what it means; another account posts an explanation. All three contain the phrase, but only the first clearly demonstrates the intended slang use. A trend count that treats them identically can overstate adoption.

For a definition and examples, see locked in. The entry helps interpret a sentence; it does not measure the term's prevalence.

Ask What Counts as a New Slang Term

Merriam-Webster's definition of slang includes informal vocabulary associated with particular groups and new senses of words. A phrase need not be newly invented to feel new to a reader.

Before calling a term a new coinage, distinguish an existing expression reaching a different audience, an established word acquiring a different meaning, a spelling variant, a quotation from a clip, and a genuinely new expression whose earliest use is still uncertain.

A first encounter is not an origin date. Likewise, the earliest example you can find is only the earliest example in your search. Private conversations, deleted posts, and communities you did not examine may precede it. Evidence that a creator helped popularise a term does not establish that they created it.

A Small Evidence Log You Can Actually Maintain

Instead of giving each term an unsupported popularity score, keep a record of what you observed. This is a suggested worksheet, not a description of a study we have conducted.

| Field | What to record | What it cannot establish alone | | --- | --- | --- | | Expression | Exact wording and spelling | Whether variants are the same term | | Public source | Link, creator, and publication date | The first-ever use | | Context | Caption, reply, spoken sentence, or explanation | Typical use across a whole platform | | Intended sense | Your interpretation and why it fits | Universal agreement on meaning | | Independent examples | Separate speakers, with reposts distinguished | Population-wide popularity | | Uncertainty | Missing context or an unavailable source | A reason to silently guess |

Avoid collecting private messages or identifying children for a language project. Constructed examples can demonstrate a meaning without presenting anyone's personal conversation as evidence.

When sharing a conclusion, state the boundary: "In these public examples, the phrase expresses approval" does not establish that approval is its only meaning.

Three Possible Futures, Not Three Predictions

More explanation alongside more usage

A phrase reaching a new audience can generate definitions, reaction posts, and jokes about misunderstanding it. Search interest might reflect confusion as well as enthusiasm. Inspect what people are asking and how they use the phrase rather than interpreting every mention as adoption.

AI-generated suggestions that do not become community language

A language model can propose a plausible-looking expression. That does not demonstrate that people use or recognise it. In a hypothetical writing exercise, a model might suggest "buffer-brained" for feeling distracted. Label it an invented suggestion unless independent usage evidence supports another description.

When checking an AI explanation, ask for accessible sources and inspect them yourself. A confident origin story is not a substitute for a dated example. Do not turn generated citations into factual claims without verification.

Familiar words used differently in smaller groups

A term may remain useful within one community even if another audience considers it dated. A gaming team, family chat, or local group does not have to follow a single internet-wide timetable. Whether a word fits a conversation depends on the participants and purpose, not just a year attached to a trend list.

These scenarios help frame questions. They are not measured probabilities or promises about 2030.

Use the Meaning Without Borrowing the Persona

Imagine a brand sees "it's giving" in fashion comments and inserts it into a message about a delayed refund. Even if the definition is understood, the register is poorly matched to a customer who wants a clear answer.

Write the message in plain language first. If slang adds an intended tone for a familiar audience, consider keeping it. If it hides important information, depends on a joke the reader may not share, or makes a serious response sound dismissive, remove it.

Compare an illustrative outfit comment, "It's giving old-school movie star," with a customer update: "Your refund was issued today. Your bank may take additional time to display it." The second sentence does not become better by sounding more current.

What Would Change Our View?

A useful trend claim should be open to revision. If a term appears only in explanation posts rather than independent usage, we would describe it as a subject of discussion, not confidently call it widespread slang. If examples support several meanings, the definition should explain that ambiguity.

Claims about acceleration would require comparable samples from different periods and a clear definition of spread. Claims about generational usage would require more than one platform's selected comments. Until that evidence is available, numerical certainty would be misleading.

The practical goal is modest: explain the examples you can support, make uncertainty visible, and update the account when better evidence appears.

For related reading, see how slang spreads through memes and internet slang versus real-life slang.