The exact source of this Christmas-labeled version is unclear, but it circulates online as a seasonal spin on the widely recognized siuuu-style celebration shout used in meme culture. Short variants like this spread through reposts, group chats, soundboards and quick reaction edits because the delivery is loud, simple and instantly readable. It stays popular during the holiday season when creators want a familiar hype sound with a festive label, especially for gift reveals, gaming victories and exaggerated Christmas joke edits.