The phrase comes from Argentine style street slang, where tranquilo is used to calm someone down and wachine is a playful insult for a young troublemaker. The exact original recording is not widely documented, so the clip circulates mainly as a detached voice note shared between Spanish speakers. Its spread relies on recognition of the wording itself rather than a known character or scene. Short WhatsApp style audios like this are forwarded, added to soundboards and reused in edits because the joke survives even without knowing who recorded it first.