Shaggy Rogers is one of the central characters of the Scooby-Doo franchise, the perpetually nervous best friend of Scooby-Doo who is famous for being frightened by ghosts and monsters yet still joining every mystery. Lines in which he reluctantly agrees to do something dangerous have become a familiar shorthand online, because they capture his whole personality in a few seconds. As a short reaction sound, this clip spread through meme edits and gaming videos, where it is used to announce a bold move before the outcome is shown.