There is no widely documented origin for this short French clip, so it is best understood as a user-shared soundboard joke rather than a line from a known film or song. Its appeal is simple and personal: the phrase turns a common first name into a direct address, which makes it easy to reuse whenever a Julie is mentioned, tagged or shown on screen. On short-form video and meme pages, that directness helps it travel, because viewers can immediately picture the person it is aimed at. It remains popular for birthday edits, friendly teasing and name-based reaction content.