naega byeonhae - Yeonjun’s line in ‘Cat & Dog’ that makes everyone go ‘oh my

Yeonjun’s line in ‘Cat & Dog’ that makes everyone go ‘oh my god’ and start singing it in the shower.

I just heard ‘Naega byeonhae’ in the shower. I’m not even mad.

Yeonjun makes me cry every time I hear that song. Naega byeonhae.

I sang ‘Naega byeonhae’ in my math class. My teacher didn’t care.