The phrase comes from the German-language world of Bud Spencer and Terence Hill, the Italian screen duo whose dubbed comedies became enduring favourites in German-speaking countries. 'Richtiger Riecher' literally praises someone for having a good nose, a German idiom for sharp instinct or a lucky hunch. Short lines from these films are often shared as reaction sounds because they are instantly recognisable, easy to place in everyday jokes, and carry the duo's relaxed, confident humour. That familiarity keeps the clip useful long after the original scenes have faded from everyday viewing.