Jacquouille is the medieval servant played by Christian Clavier in the French comedy Les Visiteurs, released in 1993, and his rough, anachronistic speech became one of the film's most quoted features. The word merde is a blunt French exclamation for frustration, so the isolated line works even for listeners who have not seen the film, as long as they recognise the tone. Shared mainly as a short reaction clip, it remains useful because it is immediately recognisable, easy to place over a mistake, and tied to a much-loved character rather than a passing trend.