Waist-twisting song is the name of Caramelldansen, a song popular in otaku culture because of waist-twisting video.

The waist twisting dance corresponding to the waist twisting song is also called "caramel dance", and the house in 1 1 area is also called "waist twisting dance"? ()"。

Caramelldansen was originally an electronic dance music of caramel, Sweden.

At first, Caramelldansen was only popular as a dance music in some European countries, and it had nothing to do with the house.

The origin of the spread of this song in otaku culture is that a German otaku made a MAD with Caramelldansen as the soundtrack to show the animation materials he collected in the past five years.

MAD consists of many small segments, the most striking of which is the role dance () and rice () in the adult game dandelion in 2002, which appeared in 2: 17.

Later, a curtilage man in the 1 1 area cut out this paragraph of MAD alone and played it in a loop, that is, he put his hands on his head and swung like a cat's paw, twisting his waist and smiling on his face.

In fact, as early as 2003, during the animated version of Dandelion, some people intercepted the pictures of the opening dance and the dance of Mi, and released them in the form of gif, but it did not arouse much interest at that time.

Since then, various versions and roles of "waist-twisting songs" have emerged in an endless stream, which are popular in ACG cultural circles and networks, and the whole people twist their backs, and their popularity is no less than that of throwing onion songs.

At present, the most widely used versions of Waist Twist and Caramelldansen on the Internet are 1.2 times faster versions, with stronger sense of rhythm and waves.

After the appearance of Looking for the Encounter of the Underground City, many MAD's works also use Caramelldansen as the background music, because its brushing action also includes twisting the waist.