bangtanism

When somebody-usually ARMYs-is obsessed with the kpop group BTS and loves them more than words can describe,then you can say the person is affected by bangtanism.

Or

A word that shows the huge effect the kpop group BTS has on music/fans

All ARMYs have bangtanism , the amount of love they have for the boys is mindblowing!

I think radio stations are starting to get affected by bangtanism too. I've heard BTS songs on the radio 6 times today!