On August 18 (local time), major international media outlets including The Guardian, CNN, and The New York Times reported that Cambridge University had released its latest dictionary update. The list includes a variety of new words and expressions born from Gen Z and Gen Alpha internet culture, many of which originated or gained popularity on TikTok.
Among these neologisms is “delulu,” an abbreviation of “delusional.” The term “delulu” is a slang word deeply tied to K-pop fandom culture and popularized by BTS Jimin’s fans. First appearing in overseas K-pop fan circles in the mid-2010s, the term was used to playfully describe fans who fantasize about dating their favorite idols—often in jest and with a self-aware sense of humor. Jimin’s fandom, in particular, helped propel “delulu” into mainstream digital discourse.
In fact, British media such as The Times previously noted that TikTok users were frequently sharing photos of Jimin, captioning them with phrases like “I’m revealing my boyfriend,” accompanied by the hashtag or reference to “delulu.” The trend was never meant to offend or deceive—it served as a playful and affectionate expression of parasocial love, common in K-pop fan communities.
But this is not the first time Jimin’s influence has shaped language or social trends.
“TIME magazine once spotlighted his frequent hugs—acts of affection he shares both with fans and fellow BTS members—as a positive form of meme culture,” the report notes. These warm gestures have since inspired countless fans around the world to spread similar kindness.
Jimin’s impact transcends internet slang. With his solo debut album, he made history by becoming the first K-pop solo artist to top the U.S. Billboard Hot 100 chart. As a result, expressions like “Jimin Effect” and “Jimin-level popularity” have entered common usage within the fandom and beyond, symbolizing the unmatched cultural resonance he commands.
His continued ability to spark trends—whether musical, emotional, or linguistic—reaffirms Jimin’s role as more than just a performer. He stands as a cultural icon, influencing how fans connect, express affection, and even create language.
Sources: nate
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