Watch KATSEYE Learn ‘Skibidi’ and Other Gen Alpha Slang on ‘Celebrity Substitute’
KATSEYE on ‘Celebrity Substitute’
Laurel Hinton for Celebrity Substitute
Pop sensation KATSEYE recently swapped the recording studio for the classroom, discovering that their young fans had plenty of lessons to teach them in return.
The rising global girl group made a special appearance on the digital series Celebrity Substitute just days ahead of the release of their highly anticipated EP, WILD, scheduled for Friday, August 14. In an exclusive preview provided to Billboard, bandmates Yoonchae, Lara, Daniela, and Sophia—who recently announced an upcoming hiatus—visited PS17 in Queens, New York, to a warm reception from an eager room of elementary school students. (Group member Megan was absent due to illness.) Rather than delivering a traditional lecture, however, the artists found themselves on the receiving end of a crash course in modern youth culture and internet slang.
The session kicked off when a student named Grayson, a proud “EYEKON,” posed a fundamental question about the group’s creative process: “How long does it take to make a song?”
In response, Yoonchae explained that the members rehearse diligently every single day, typically logging around six hours of practice.
“Six or seven!” Yoonchae and Daniela playfully corrected, sparking an enthusiastic wave of the now-viral “6-7” hand gesture throughout the classroom.
The interaction quickly shifted into a puzzling exploration of Gen Alpha lexicon. When Lara asked the students to define terms like “skibidi” and “sigma,” the conversation evolved into a broader discussion surrounding the concept of digital “brain rot.”
“Do you even know what brain rot is?” asked a student named Mila. “It’s basically like… insults or mean things you say to somebody.”
Eager to expand her vocabulary, Lara followed up by asking, “How can I phrase that as a compliment?”
“You can’t,” Grayson replied bluntly, leaving no room for debate.
“Oh, so there’s no positive version,” Yoonchae noted, prompting Daniela to laugh and concede, “Got it! We definitely won’t be using that one.”
This delightful classroom cameo arrives on the heels of major milestones for KATSEYE’s upcoming WILD era. The upcoming EP follows the massive momentum generated by Billboard Hot 100 hits like “Pinky Up” and “Animal,” which peaked impressively at Nos. 28 and 24, respectively.
Presented by Julian Shapiro-Barnum, Celebrity Substitute has previously featured notable guests such as Noah Kahan, Kehlani, and A$AP Rocky in similarly unpredictable scholastic settings. Additionally, with every episode released, Amazon contributes by clearing items directly from a participating educator’s Amazon Classroom List, helping streamline resource acquisition for teachers and students alike.
Catch KATSEYE navigating the nuances of Gen Alpha terminology in the exclusive Billboard clip below.
Stream the full episode when it officially premieres on the Celebrity Substitute YouTube channel on Tuesday, August 11, at 8 p.m. ET.
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