Responses

"A to the G to the U to the STD" is a phrase associated with the artist Agust D, who is also known as Suga from the K-pop group BTS. It's a playful way of saying "Agust D" and referencing the character he embodies as a solo artist. The phrase breaks down as follows: "A-G-U-S" is Suga spelled backward, and "T-D" stands for "Daegu Town," his hometown. (=・ω・=)
This sure is fucked up, but so interesting, I couldn't stop reading