Introduction
If you’ve ever heard someone say “It’s giving delulu energy, but like… in a slay way” and felt like you missed an entire semester of Internet Linguistics, you’re not alone. Welcome to the world of Gen Z language—a constantly shifting web of memes, phrases, emojis, and TikTok trends that feels like an inside joke you were never invited to.
But this isn’t just random chaos or youthful rebellion. Behind the chaos is a powerful psychological engine: language that reinforces group identity, emotional bonding, and boundary-setting. Let’s break down why Gen Z slang hits like an inside joke—and why that’s exactly the point.
Read More- Group Effects on Individual
Why Gen Z Slang Feel Like an Inside Joke?
Some of the reasons for this could be-
1. The In-Group Effect
At the heart of Gen Z language is Social Identity Theory (Tajfel & Turner, 1979), which says that people define themselves in part by the groups they belong to—and use language as a badge of identity.
When Gen Z uses phrases like “rizz,” “ate and left no crumbs,” or “no cap,” it’s not just about communication—it’s about community. You understand it? You’re in the club. You don’t? Better luck next scroll.
These expressions act like verbal secret handshakes, signaling who “gets it” and who doesn’t.
2. Memes as Mental Glue
Memes and slang aren’t just trends—they’re mini cultural touchpoints. According to Dunbar (1998), shared gossip and in-jokes are vital for group cohesion. For Gen Z, memes serve the same purpose.
When someone comments “he understood the assignment,” they’re not just making a joke—they’re invoking a shared mental file folder of other memes, TikToks, and moments that reinforce emotional closeness.

It’s fast bonding—like forming a friend group around a common dialect.
3. Exclusivity Is the Point
Why does Gen Z slang feel like it expires every week? That’s not a bug—it’s a feature. According to Communication Accommodation Theory (Giles, 1973), people intentionally shift their language to either converge with or distance from others.
Constantly evolving slang is a moving target, which keeps out outsiders (especially older generations or brands trying to sound cool). It protects the group by ensuring that only those immersed in the culture can keep up.
Translation: If you just learned what “cheugy” means, congrats, it’s already dead.
4. Cognitive Shortcut or Chaos?
Unlike traditional language, Gen Z slang is heavily contextual. A phrase like “it’s giving…” can mean a hundred different things depending on tone, image, and situation.
Psychologically, this requires high social fluency and contextual decoding, similar to understanding sarcasm or irony. According to Clark and Marshall’s (1981) theory of common ground, successful communication depends on shared knowledge.
If you don’t watch the same TikToks or follow the same memes, you literally don’t have the same mental dictionary.

5. Playfulness as Power
Linguist Deborah Tannen (1990) wrote that playfulness in language reflects creativity and control. Gen Z takes this to the next level—breaking grammar, bending meanings, and turning typos into trends (“I’m just a girl 🧍”).
It’s subversive, it’s weird, and it’s empowering. Slang like “delulu” (short for delusional) allows people to reclaim mental health labels in humorous ways, creating emotional distance and resilience (Martin et al., 2003).
Language becomes not just identity—but a form of agency.
6. The Internet Brain
In pre-internet times, slang might evolve slowly over years. With TikTok and Twitter (X), a single viral sound or video can rewrite the cultural lexicon overnight.
This hyper-speed change mirrors how Gen Z experiences the world—fast, layered, and niche. It also triggers what’s known in psychology as heuristic processing (Chaiken, 1980)—quick, mental shortcuts that allow them to absorb and adapt language on the fly.
If it feels like a new dialect is born every 48 hours… that’s because it is.
You’re Not Supposed to “Get It”—That’s the Whole Point
If Gen Z slang feels like an inside joke, that’s because it is—on purpose. But instead of feeling excluded, maybe see it this way: language has always evolved to fit the needs of the people who use it.
For Gen Z, it’s about building safe spaces, identity, and emotional control in a world full of uncertainty. And if the memes confuse you, don’t worry.
There will be a new one tomorrow.
References
Chaiken, S. (1980). Heuristic versus systematic information processing and the use of source versus message cues in persuasion. Journal of Personality and Social Psychology, 39(5), 752–766. https://doi.org/10.1037/0022-3514.39.5.752
Clark, H. H., & Marshall, C. R. (1981). Definite reference and mutual knowledge. In A. Joshi, B. Webber, & I. Sag (Eds.), Elements of discourse understanding (pp. 10–63). Cambridge University Press.
Dunbar, R. I. M. (1998). Grooming, gossip, and the evolution of language. Harvard University Press.
Giles, H. (1973). Accent mobility: A model and some data. Anthropological Linguistics, 15(2), 87–105.
Martin, R. A., Puhlik-Doris, P., Larsen, G., Gray, J., & Weir, K. (2003). Individual differences in uses of humor and their relation to psychological well-being. Journal of Research in Personality, 37(1), 48–75. https://doi.org/10.1016/S0092-6566(02)00534-2
Tajfel, H., & Turner, J. C. (1979). An integrative theory of intergroup conflict. In W. G. Austin & S. Worchel (Eds.), The social psychology of intergroup relations (pp. 33–47). Brooks/Cole.
Tannen, D. (1990). You just don’t understand: Women and men in conversation. Ballantine Books.
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Niwlikar, B. A. (2025, May 8). 6 Psychological Reasons Gen Z Slang Feels Like an Inside Joke. PsychUniverse. https://psychuniverse.com/gen-z-slang/