The act grabbing your genitalia at 13:37, every day, as a ritual. One of many Tour Nome traditions.
Some dude: "Why the hell did you just grab your dick?"
Cool Guy: "Well it is 1:37, which is 1337, and that's Leet. When you grab your dick at Leet, Tour Nome gives you His protection. I've been catching leet for years. Havn't gone a day without it."
Some dude: "Awesome, I can't wait until its leet again! "