hyunjin is an adjective to define that person is perfect (perfect its the most correct one, It can be beautiful, cute, amazing, fantastic etc..); or if that action is the perfect action on the moment.
"My bestfriend is so hyunjin, everyone got a crush on her" ... "my nose is so hyunjin" ... "the way you talked back was so hyunjin!!"
by Miyeonnie June 02, 2023
"its the 200th epithode ☝️🤓" according to Bangchan
by Miyeonnie June 02, 2023