1. an emo nub who obviously has no life
2. an emo nub who brings down others telling them depressing stories.
3. some random kid who no one likes because he's Annoying... >_>
1-2. Xenophone34 is a chu chu nub cuz all he does is tell me stories about how bad his life is.
3. James Walters of FL is a Chu Chu Nub because no one likes him... and because we all think he's gay.