where does the floss dance move come from
Floss (dance) The dance became viral after Russell Horning[3] did it during a Saturday Night Live live performance of Katy Perry's music "Swish Swish",[4] and has since become a trend among children and teens, and has been performed by celebrities in videos.[5][6]
Polka dot It is likely that the term originated in popularity of polka dance at the time the pattern became fashionable, just as many other products and fashions of the era also adopted the "polka" name.[1]
Limit of a function (the Dirichlet function) has no limit at any x-coordinate.
Margaret Wolfe Hungerford Molly Bawn contains Hungerford's most famous idiom: