The sound comes from French YouTuber Xolef1234, whose on-camera outburst telling someone to say hello became a small reaction clip shared on soundboards. Because the phrase dit bonjour is simple and instantly recognisable even to viewers who do not speak French, the angry delivery translates easily across videos and memes. It is mainly used as a short, confrontational greeting rather than a longer quote, which keeps it easy to drop into edits, streams and reaction compilations where a quick burst of frustration adds humour.