This name, though applied to a group of three municipal wards in Seoul, technically belongs only to one of them (the other wards are Seochu and Songpa). Now the whole pop-culture world is aflutter with it, when earlier it was just a very posh (and snobbish) part of the Korean capital.
What name?
[+ Show Answer]
"Gangnam". A satirical video by the Korean pop-star PSY that makes fun of the Gangnam lifestyle is 2012's big hit in the West (think of it as Kolaveri-multiplied-a-thousand-times), especially because of its strange dance moves.
Wikipedia has all the details.