It’s an undisputed fact that LeBron James loves tacos, especially on Tuesdays. And this Tuesday night, for seemingly the thousandth time, the millennial N.B.A. superstar went on Instagram and announced to his tens of millions of followers: “You know what it is! Taco Tuesdayyyyyy!” This is how he lets people know it is his family’s taco night. Mr. James’s custom usually includes the addition of a howl delivered in an exaggerated Spanish or Mexican-ish accent. His fans love it. And now the 34-year-old forward for the Los Angeles Lakers is making a move to formalize a claim on the phrase....