Flat Chest Syndrome(FCS)

A phrase/ mental disorder which discribes the social immaturity displayed by women(ages 14-19) with flat chest. It's usually diagnosed by a friend or first time aqaintance who notices certain idiosynchrasies that display annoyance, or in gereral over compensation.

Victims of FCS often display narcissism, or self-centeredness; They often try to compensate by trying to be intellectually superior or catty.

It's often grown out of but the long term effects can only heal with time.