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The story
On English-language TikTok, the fabric name “polyester” has begun taking on a new life as an insult meaning “cheap” or “hollow,” according to a report from overseas outlet TABI LABO. A post captioned “a polyester lifestyle” reportedly drew nearly 40,000 likes. On 5ch, the news sparked a wave of comments pointing out polyester’s genuine functional strengths, noting that Japan has had its own decades-old tradition of using synthetic fibers as a metaphor for cheapness, and explaining the differences between polyester and other synthetic fibers like polyethylene and polypropylene — turning the thread into an impromptu trivia session on textiles themselves.
“Polyester” Becomes a Gen Z Insult. What Does It Mean on TikTok? | TABI LABO
When you hear “polyester,” the first thing that comes to mind is probably the fabric label on a shirt tag. But right now, English-speaking Gen Zers are starting to use the word in a completely different way — as a new insult for judging the quality of a person or content: “cheap,” “shallow,” “not the real thing.”
A “polyester lifestyle” post racks up 40,000 likes
Source: tabi-labo.com / Read the original article here
What people said
Damn, I'm laughing at this lol
If it were polyethylene, my husband would've had to put a stop to it
If more people turn into idiots, does that mean less work for small regional window-sash manufacturers? Will they go under?
You're the one going under
I guess that's the same as being drawn to and fascinated by a world that's the total opposite of your own
Polyethylene is plastic wrap.
Polypropylene is stuff like Muji's sturdy storage boxes, among other things — though the original was RISU's cargo trunk.
The reason polyester specifically gets used as an insult is probably that it's the fiber used for disposable fast fashion rather than practical goods
It's pretty similar to cotton anyway
Burn 'em both and they end up the same
Cheap, comfortable, and amazing — what's not to like
In humid Japan that's hell in the middle of summer
Though now that it's cooling off, it's fine
You mean "Poly-uretan-sensei"? (a cutesy nickname riffing on "polyurethane" plus the "-tan" cute honorific) (´・ω・`)
Machine learning has already absorbed all sorts of competing theories,
so it wouldn't really accomplish much, I guess?
Like the whole "Cain's wife" question
And what came out of that is the thing you people believe in, isn't it?
The result itself is wrong to begin with
If the result that comes out is wrong, what would you call that if not a contradiction?
Maybe look in a mirror first
If you used AI to research and summarize something and still couldn't recognize a fiscal risk problem,
then there was no point in using AI at all
Using a plain old fabric as a slur
Maybe they should just go extinct
Japan's had a culture of mocking plastic as a figure of speech for 40 years too, you know
There was even a song called "Plastic Love" back in the day
This is basically just a trend revival
Insisting on "the real thing" — what are you, some relic from the past?
Well, Louis Vuitton uses PVC. But it's insanely tough —
apparently military-grade durability
Synthetic leather just doesn't last no matter what you do
Though maybe that's fine for trendy fashion accessories that are meant to be disposable anyway
Body grime sticks to them and won't wash out, so they stink
All sports uniforms are polyester, you know
Don't forget good old polyurethane, which adds the stretch
It's usually blended in at some percentage
Maybe that's true for the newer materials
Do you actually wear a sports uniform every single day, though?
Polypropylene (the ultimate in quick-drying — absorbs zero moisture)
Polyester (the sportswear standard)
Nylon (tough enough for camping trips and the outdoors)
Acrylic (the quickest-drying of the winter fabrics)
Polyurethane (stretch material — weak to heat)
Silk (thin, but does absorb moisture)
Linen (absorbs moisture, but breathes exceptionally well)
Cotton (takes a while, since it holds onto moisture)
Wool (like merino) (holds moisture deep within the fiber)
Cupro (a regenerated fiber similar to rayon, with high moisture absorption/release)
Rayon (absorbs the most moisture, and dries slowly once wet)
There are clothes that make the most of each material,
but some people judge purely by the material itself.
Cupro is smooth, so it's used as lining for suits and coats.
Acrylic pills easily, but it has the advantage of not being itchy like a wool sweater
There's a bit of everything, and honestly, thank goodness for that
They say you forget you're even wearing it,
so if you forget to get dressed and walk outside naked, you've got a built-in excuse
Lol, that's such a Kenmomen thing to say (Kenmomen = the notoriously cynical regulars of 5ch's "Kenmo"/News+ board)
100% silk wrinkles easily, and on top of that it tears easily lol
Better to blend silk with something else
Background and Key Points of This Topic
Behind polyester’s transformation into an insult lies its long-standing image as a symbol of fast fashion — “cheap” and “disposable.” At the same time, polyester is prized for its quick-drying properties and durability, and is a genuinely practical material used in sportswear and even as lining for luxury brand goods. This gap — between commenters praising its functionality and the sense of it as a metaphor for cheapness — became a key point of discussion in the thread. Japan, too, has long used synthetic materials as a metaphor for something artificial or superficial, as in the 1980s song “Plastic Love.” Rather than being an entirely new idea, Gen Z’s slang can be read as another instance of a similar metaphor recurring across languages and generations. The way the discussion expanded to cover the differences between polyester and similar materials like polyethylene and polypropylene is a nuance that’s hard to grasp from the original article alone.
*This article is compiled from excerpts and a summary of the 5ch (Breaking News+) thread ““Polyester” Becomes a Gen Z Insult. What Does It Mean on TikTok?“
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