Little is publicly documented about the origin of the Tommy Leigh Fart clip, which circulates mainly as a short user-uploaded soundboard sound rather than a line from a well-known film or show. Its appeal is simple and instantly recognisable, so creators reuse it whenever a scene needs a cheap, low-effort laugh without any setup or explanation. Like other crude soundboard effects, it survives because it is short, easy to drop into edits, and reliably gets a reaction from viewers who expect something silly.