There is no single verified source for this clip, which circulates online mainly as a standalone sound effect rather than a quote from a film or show. Its appeal comes from the unlikely combination itself: a harsh spinning saw and an everyday toilet flush, two sounds that rarely belong together. That contrast makes it easy to reuse across short-form videos, edits and soundboards, where listeners recognise the joke instantly without needing any context. It survives because it is short, loud and instantly absurd.