<P> The name comes from the moves themselves, which involve "a lot of fast arm and hip swings, as though using a huge, invisible piece of dental floss". </P> <P> The dance became viral after Russell Horning did it during a Saturday Night Live live performance of Katy Perry's music "Swish Swish", and has since become a trend among children and teens, and has been performed by celebrities in videos . </P> <P> Flossing is featured in the 2017 video game Fortnite, as a victory animation performed by the characters . </P>

Where did the flossing dance move come from