First used by the K-Pop Boygroup TXT's fans to describe the group's oldest member, Choi Yeonjun, of him being an all-rounder idol, to which media had put it as a title of him in their articles. Nowadays, the phrase are used frequently by fans to many popular 4th gen K-Pop artists.
"Why do people keep fighting who's 4th gen It Boy?"
by webj4ez May 11, 2021
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Hwang Hyunjin ! Hwang Hyunjin of Stray Kids has the most viewed 4th male idol fancams, is known outside of kpop because of what an It Boy he is, and he breaks the internet just by breathing. His dance is mesmerising and his visuals are one the best in the kpop industry. No matter how hard they try no one can get on his level
"Who's the It Boy of the 4th Gen It Boy in Kpop?"
"Hwang Hyunjin of Stray Kids of couse!"
by FA1RYSKZ July 30, 2021
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Kkami. Kkami is the 4th gen it boy.

He discovered world peace, made the corona virus vaccine, and cured me of my cold with his magical healing powers.
“Look, i see the 4th gen it boy!”

“Oh yeah, it’s Kkami!”
by Kkamisnumber1stan May 09, 2021
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Hwang Hyunjin is a member from the south korean group "Stray Kids". He is a dancer, singer, rapper, producer and mc. His visuals are amazing too. Truly an ace and of course kpop's 4th gen it boy.
by someonewhospeaksfacts May 16, 2021
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Hey do you know who's the 4th gen it boy??
Hwang Hyunjin from Stray Kids!! He's super talented dancer, rapper and singer. There's nothing he can't do!
by ilovetxt May 09, 2021
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