“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) “.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".