This sound comes from Beetlejuice, the gothic comedy film released in 1988, where the title character delivers the line "It's showtime." The quote stayed memorable because it captures the character's loud, theatrical personality in just two words. Online, the clip is commonly reused for Halloween edits, eerie comedy posts and reveal moments where creators want a playful but sinister entrance. Its short length helps it fit neatly into modern meme timing, especially in videos that build for a second and then suddenly switch into chaos.