Kedullah appears to be known online mainly by its quoted name rather than by a clearly documented film, show or song source. The clip has circulated on meme pages, short edits and chat shares as a niche reaction sound, where its familiarity among in-joke audiences is part of the humor. Sounds like this stay popular because they are easy to recognize, short enough to drop into any edit, and strange enough to make an otherwise ordinary moment feel intentionally absurd.