Festa means festival in Italy and other Mediterranean countries. But you can get that from
google, so heres an urban dictionary
definition:
Festa is annual celebration by the Korean group BTS, held to celebrate their anniversary. For a week and a half leading up to the anniversary of their debut, 13th June, they release more
music, interviews, photo collections, special videos and more. When Festa starts, BTS fandom create a BTS week wherein they appreciate each of the 7 members for each day of the week, in fanchant order of course.
Army 1:
Hey, have you heard the Spring Day remix they released for the Festa opening ceremony?
Army 2: Sis have I heard it?? That shit SLAPS, I downloaded souncloud just to put it on repeat.