A girl who acts particularly young and immature and most likely naieve; comes from "bobby socks," socks worn by Catholic schoolgirls today that were introdced during the Second World War as a way to conserve fabric.
"Bobbysoxer so young, so pure" from the song "... And We All Have a Hell" by From First To Last off the album "Heroine."
an adolescent girl wearing bobby socks (common in the 1940s); - sometimes used for any adolescent girl, especially one following the latest youthful fashion .
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!