Also known as: ヲタ芸, オタ芸, 御宅艺
Wotagei is a type of chanting and Dancing performed by the Audience of Japanese Idol Concerts. It is characterized by the audience's synchronized actions such as chanting, shouting, and the waving of Glowsticks, King Blades or Penlight (Glowstick)s.
During concerts, some will gather outside the stadium and perform wotagei while playing loud music.