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Blabla 15-18 Vs 18-25?

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BLABLA 15-18— ORIGIN, MEANING & USAGE

blabla 15-18 Name of the « Blabla 15-18 ans » general-discussion forum on Jeuxvideo.com, the age-bracketed board for younger users, often shortened to « le 15-18 ». Like the 18-25 board it is not tied to video games, and it became known on the French web for its local memes and coordinated pranks. This entry is for the 15-18 board specifically; the 18-25 board has its own entry.

Origin:French Wikipedia's Jeuxvideo.com article presents « Blabla 15-18 ans » and « Blabla 18-25 ans » as age-bracketed general forums among the most active in France. It states that the 15-18 board drew attention from about 2007-2008 through local internet phenomena and raids on other sites, that it is sometimes compared with 4chan's /b/, and that it was involved in several viral hoaxes and in controversies over extremist speech and harassment calls in the 2010s. The article gives no creation date for the board, so no dated first use is documented here.
First Seen:Unknown (the creation date of the board is not documented in the source consulted; local memes are reported from about 2007-2008)
Peak Era:2007-2008 onward, 2010s
Aura Impact:+1 Aura (Using It Correctly In Context)

EXAMPLE USAGE

"Ce canular est né sur le « 15-18 » avant de se retrouver dans les journaux."

18-25— ORIGIN, MEANING & USAGE

18-25 Jeuxvideo.com's famous 18-25 forum and the distinct community identity that grew around it.

Origin:The most well-known age-segmented forum on Jeuxvideo.com, whose blunt, ironic posting style became a defining reference point for French internet culture.
First Seen:2026-09
Peak Era:Not established
Aura Impact:+1 Aura (Using It Correctly In Context)

EXAMPLE USAGE

"This whole thread has full 18-25 energy."

BLABLA 15-18 VS 18-25

blabla 15-18

Name of the « Blabla 15-18 ans » general-discussion forum on Jeuxvideo.com, the age-bracketed board for younger users, often shortened to « le 15-18 ». Like the 18-25 board it is not tied to video games, and it became known on the French web for its local memes and coordinated pranks. This entry is for the 15-18 board specifically; the 18-25 board has its own entry.

18-25

Jeuxvideo.com's famous 18-25 forum and the distinct community identity that grew around it.

In short: blabla 15-18 (legacy / decaying slang) and 18-25 (legacy / decaying slang) are frequently used together in the same Gen Z/Alpha vocabulary, but describe distinct concepts — see the full entries for category tags, related terms, and live trend data.

Want the full breakdown — categories, trend velocity, platform distribution, and community voting on blabla 15-18? Visit the full dictionary entry for blabla 15-18.