SB19 and A'TIN ( their fans ) way of greeting someone a Happy Birthday!

In the A'TIN fandom (SB19's fandom) this is used when you want to greet someone a Happy Birthday

Happy Birthday in A'Tin and SB19's language

: a misspelled word by SB19's Justin de Dios that means "Happy Birthday" or "Maligayang Kaarawan" in Filipino language.

: he intentionally misspelled it at the day where he and his co-members prepared a surprise birthday party for their Pinuno (Leader in Filipino), John Paulo Nase.

A term for A'tins, meaning Happy Birthday derived from what Justin did in the youtube video " Sejun's Birthday Suprise" This is the way A'Tins Say "Happy Birthday"