Swish Beatbox, or Swish for short, is a comedy youtube channel run by beatboxer Elias Na, also known as Eon. Starting as a parody account poking fun at beatboxers and funny routines, the creator remained anonymous.
Eon made later made the grand announcement that he was responsible for crafting the hilarious beatbox compilation videos that are produced in monthly volumes.
The term "swished" refers to making an appearance on the YouTube channel. When there is a funny routine or a mistake, many people anticipate the appearance by claiming "this is definitely going to be Swished."