The sound is a parody of the THX Deep Note, the distinctive glissando heard before films in THX certified cinemas since the early 1980s. That original build became instantly recognisable, which made it a natural target for parody versions that swap grandeur for a fart. This version spread as a short prank clip on soundboards and in meme edits, helped by its long bass swell and simple speaker test joke. It remains popular because everyone knows the setup, so the crude payoff needs no explanation.
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An exaggerated THX intro parody that builds with deep bass then ends in a long fart, used for prank videos and speaker test jokes online today.
This clip parodies the famous THX cinema intro, starting with a rising, room shaking rumble that promises something epic, then undercutting it completely with an extended, sputtering fart. The joke lands in the contrast: the deep, polished build sounds serious and expensive, while the ending is crude, loose and deliberately too long. It keeps going past the point of surprise, which is what makes people laugh or wince. Played loud, it also tests whether a speaker can handle the low end without rattling, distorting or giving up halfway through the gag.
