"Happy ○○ (Name) Day" – What Does It Mean When We Often See This on K-Pop Idols' Birthdays?
2021.05.22 published
Birthday Celebration Phrases ♩
The flower balloons sold at marry shop can be customized with your favorite message, and this recent order trend has been on the rise.
The phrase 【Happy ○○ (Name) Day】 ♩

I wondered what it meant, and it seems to be a standard among K-pop idol fans.
When your favorite idol celebrates their birthday,
It is used as a celebratory phrase meaning,
"Today is a happy day for ○○-kun!"
"A happy day for ○○-chan!"
According to them, it conveys a sense of celebration ♡
For extremely popular idols, the hashtag "#Happy○○Day" can even trend.
This is a balloon ordered with the message "Happy Jin Day♡" for BTS's Jin's birthday.
