The slang after Gen Z slang is already here.

A lot of slang glossaries treat every new term the same way: word, definition, next word. That flattens something worth noticing, which is that these terms don't all arrive the same way. One got pulled straight out of video game vocabulary. One means nothing at all and spreads because of that. One is barely even a word, more of a sound you make. Here are three that are genuinely in circulation right now, grouped by how each one actually came to mean what it means.

In a video game, an NPC (non-player character) follows a fixed script: same lines, same reactions, no matter what you do. “NPC energy” borrows that idea wholesale and points it at real people, describing someone who seems to be running on autopilot, repeating the same reaction to everything, or clearly performing for a camera rather than reacting like themselves. It's one of the clearest examples of gaming vocabulary jumping into everyday conversation fully intact, definition and all.

This is the strangest one to explain, because there's nothing to define. “6-7” spread from a song clip into a pure reaction phrase, said as a joke, a non-answer, or just noise, with no fixed meaning attached to it at all. That absence of meaning is exactly why it caught on the way it did: it works as an in-joke precisely because outsiders can't look it up and get a straight answer. Trying to pin down what it “means” misses the point of how it's actually used.

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“Gyat” started as a shortened, exaggerated version of an older exclamation and has since drifted into its own standalone reaction, blurted out to react to someone or something impressive, usually about looks. It barely functions as a word with a dictionary definition; it functions more like an interjection, closer to a gasp than a noun. That's a different kind of shift than the other two: not borrowed vocabulary, not a meaningless in-joke, just a sound that got adopted as shorthand for a reaction.

Gen Z slang mostly traveled through TV and music first, which gave it time to settle before it became widely known. Gen Alpha terms mostly start in short-form video and spread through sheer repetition, which means a word can peak and fade within a single school term. That's also why a flat glossary ages so fast: by the time it's compiled, the group that coined a given term may already be on to the next one.

None of these three are hard to learn on their own. What makes them tricky is that they rotate out before any formal resource catches up, so treat this as a snapshot, not a fixed vocabulary, and expect it to look different a year from now. Recognizing a term when you hear it is the useful skill here; using it naturally yourself can come later, if at all.