Law and Order is a long-running television franchise whose two-note dun-dun sting has become shorthand for a serious legal moment, while Deez Nuts is a long-running prank punchline built around a deliberately crude setup and reveal. Putting the two together creates a ready-made bait-and-switch that spread through meme soundboards, short-form edits and reaction videos, where the formal opening makes the joke land harder. It stays in use because both halves are instantly recognisable on their own, so listeners understand the gag in seconds without any setup.