A term that geeks use on geeks that they are feeling superior to. Being called a padwan suggests you are a lesser geek. Derived from "Star Wars" and the Jedi trainees called padwans. Using "padwan" on someone inadvertently makes you look like the real padwan.
Movie fan 1: "Bladerunner was a great sci-fi movie."
Movie fan 2: "No, padwan, it's all about Ice Pirates.
Movie fan 1: Ice Pirates? And you called ME a padwan?