Princess In Training-Jewish Princess In Training to be exact. It's what little Jewish girls are before they have their Batmitzvahs and become JAPs. (Jewish American Princess)To be a JAP you have to be 13 or older, to be a PIT you have to be 12 or younger. PITs are in every way the same as JAPs (selfish, spoiled, but in a good way of course) except younger, and not mature.
Dad: Look at my little girl-all grown up-a JAP now
Little girl: But DADDY! What am I if my older sister is a JAP?!
Dad: Your a pit.