Otaku- I think people who are obsessed in idols can also be an otaku.
Moe- A lot of people use these words. But I don't get it. I think I cannot agree with this definition.
Cosplay- I agree with the definition. People sometimes seem to desire to become what they like.
Tsundere- Poeple who are usually cool in front of people but is actually shy.
Burikko- People who try to be attractive and cute.