Otaku - Clear and very understandable
Moe - Clear
Cosplay - Clear and understandable
Tsundere - I don't agree.
Tsundere or tsundere women are those who express their true feeling
in private toward someone they love or trust although they try to look
strong-minded or cool in public.
Burikko - I don't agree.
Burrikko is a behavior that people, esp. female, try to look cuter than
usual or hide their true self in order to make themselves better in front
of the opposite sex.