Someone that gives off vibes that they have no self esteem or self confidence and usually were abused and neglected during their childhood. Then as adults they have a difficult time in their day to day life. Their spirit is usually broken and subservient. Someone that is emotionally troubled can easily be taken advantage of by unscrupulous individuals.
I think Jane is emotionally troubled, she reminds me of a puppy that has been kicked too many times and is lost in a crowd of people.
A whack job nutcase who goes on a murderous rampage for any number of reasons, including but not limited to mental instability, political/ideological disputes, delusionalgovernment conspiracy theories, or personal socio-economic woes.
As defined by Pima County, AZ Sheriff Clarence Dupnik on msnbc.
That fuckin' whack-job Jared Loughner who shot AZ Congresswoman Gabby Giffords and 18 others is a prime example of a particularly troubled personality.
Mentally disturbed as a result of reckless behavior (Drug use,Alcohol, Excessive Partying)
Or by Depression, Anxiety/Break from reality due to traumatic experiences.
Or, one of the aforementioned causing the other.
Diana lost the plot and hit her mother, She became real troubled ever since she started dating that Aaron boy