Bangwool 

The BTS' Army was almost named bangwool

Im a bangwool

Bangwool by minyoongithecutestmanalive February 22, 2020

bangwool 

Namjoon revealed that A.R.M.Y once was supposed to be called Bangwool (korean for Bells). Now it's the inofficial name of ARMYs.

ARMY: I stan my BTS oPpars so muchh .,., i'm a bangwool!!!11!

bangwool by krasch67 April 2, 2019

[Bangwool]

Bangwool = 방울 meaning a bell(specifically a jingle bell). It is the name BTS were gonna use as a fandom name but they decided army instead.
Thank god.

I am a Bangwool

[Bangwool] by minyoongithecutestmanalive February 22, 2020