小龙女 why many girls use this as a nickname ? 小龙女 why many chinese girls use this as nickname ? is it from a fairy story something ? i have 3 小龙女 on my MSN. small dragon girl ?

what does it mean 街头 ? what does it mean ? i can't find it in dictionary. help. i know 街, why puts 头 ?多谢，xzangzi, 明白了。