Deb: What are you drawing?
Napoleon Dynamite: A liger.
Deb: What's a liger?
Napoleon Dynamite: It's pretty much my favorite animal. It's like a lion and a tiger mixed... Bred for its skills in magic.
When Napoleon is waiting while Rico makes a sale, he checks his watch to see how much time he has before the dance. The first time he checks it, the date on the watch indicates Thursday July 17. When he checks it again a few minutes later, it shows Monday July 21.