A phrase made by k-pop boyband Seventeen's Jeonghan. It's a word play that consists of a few random korean words that sounds funny (바기바기 차덜 바기 신기방기 뿡뿡방기). This phrase was nominated as k-idol meme of the year award. Several k-pop idols such as Stray Kids, Loona, TXT, Enhypen and more has used this phrase. It even got to be featured in several k-pop reality shows and it is popular among knets.
An expression to say to your friend in praise of something great they did. It refers to the league of cowgirls who sing the Ballad of Joshyberri and coordinate dances to it.
“신기방기 뿡뿡방기 (shingibanggi bboong bboong banggi) ” is made by Jeonghan from group SEVENTEEN. It is based on Jeonghan’s comment on Weverse, and seems to come from the meaning of “싱기 방기 (very mysterious)”.
“싱기 방기” seems to be a word often used by young people, emphasizing “신기 하다 (mysterious)”.
Then, Jeonghan arranged “싱기 방기” to make “신기방기 뿡뿡방기 (shingibanggi bboong bboong banggi) “.