Can be used to describe Kim Taehyung or BTS V, because his talent and charming personality impress the general public. The phrase is often used to describe the most popular member in the group.
I heard that Taehyung's merchandise sold the most out of all members, he is really @BTS_twt IT boy.
GP: do you know who's the best Vocalist @BTS_twt ?
Fans: oh that's Kim Taehyung