1. A person who devotes their life to sharing copyrighted intellectual property for free over the internet.
2. An insult aimed at a person who choses not to follow the internet's status quo.
1. Little Billy always dreamt of being a rapper. Since he couldn't afford to buy music with his allowance, and didn't agree with it in principle, he joined his friends and became a Dotcommunist.
2. "Dude, give me the link to your MySpace site!"
"Sorry, but I don't have one."
"What? Are you some kind of Dotcommunist?"