sexy satsujin sliding
セクシー殺人スライディング セクシー殺人スライディングおばさん
(Sexy Homicide Sliding / Sexy Homicide Sliding Auntie)
A meme originally started in Inmu/Cookie community.
It was created by Kyouran Souryuu from the opening of Ginga Reppuu Baxingar in September, 2014.