Top definition
(N) The state of being insomniac because the only reason is BTS. Since we have experienced Twelve Hit phobia, the Bangtansomnia will come pretty much right after.

The experience of sleepless day/night filled with BTS’s theory, hint, exclusive photos and fancams.
“Why are you up so late these days?”
“I got bangtansomnia
by ARMY’s problem July 07, 2018
Get the mug
Get a Bangtansomnia mug for your brother Vivek.