Gangnam Style is a Korean neologism that refers to a lifestyle associated with the Gangnam District of Seoul, where people are trendy, hip and exude a certain supposed class. The term was listed in Time' s weekly vocabulary list as a manner associated with lavish lifestyles in Seoul's Gangnam district.n August 21, 2012, Gangnam Style charted number one on the iTunes Music Video Charts, overtaking Justin Bieber's  As Long as You Love Me  and Katy Perry 's  Wide Awake ; this feat is the first for any South Korean artist.