If you are still wondering, It is a joke, Google Japan has made a new joke keyboard every year since 2012. They used to release the videos on april fools, but for some reason they switched from releasing on april 1st to October 1st, 5 years ago.

It’s just a common nickname for Huy Fong branded sriracha hot sauce, which is one of, if not the, most succesful hot sauce(s) in the world.

It’s nicknamed “cock sauce” because the brand icon is a rooster (aka. cock). The sauce is also called “rooster sauce” but that is less fun.