A person who deliberately or subconsciously seeks, exaggerates or fabricates drama and/or chaos in otherwise non-chaotic environments to create a sense of emotional equilibrium or normalcy. A constellation of behaviors often associated with survival of traumatic events. The Diagnostic and Statistical Manual for Mental Disorders would catigorize this as Borderline or Histrionic personality disorder, often associated with PTSD, post-traumatic stress disorder.
I nominate this as an alternate definition to the biological use of the term.
My 'extremophile' neighbor is a drama-queen! She always has a list of people who have offended her in one way or another. She's a person who turns perfectly solvable problems into epic unresolvable ones.