A term used my
Min Yoongi aka Suga of BTS/Agustd, referenced in his song Agustd in
the album of the same name.
Suga explains how he is a great fast rapper and this term hints that he is able to please with his tongue.
Hong Kong is Korean slag for a women's orgasm, using this meaning he can get you to reach your orgasm with his tongue and that he can send you to a distant location knowing he has talent in
more than one way.