his⋅tri⋅on⋅ics–noun (used with a singular or plural verb)
1. dramatic representation; theatricals; acting.
2. behavior or speech for effect, as insincere or exaggerated expression of an emotion; dramatics; operatics: Cut out the histrionics—we know you're not really mad.
Origin: 1860–65; see histrionic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
People with this disorder are overly dramatic and intensely expressive, egocentric, highly reactive, and excitable. The characteristic behaviour seems to have the purpose of calling attention to oneself. Other features of this disorder may include emotional and interpersonal superficiality as well as socially inappropriate interpersonal behaviour.
hys·te·ria Pronunciation: \his-ˈter-ē-ə, -ˈtir-\
Function:noun
Etymology: New Latin, from English hysteric, adjective, from Latin hystericus, from Greek hysterikos, from hystera womb; from the Greek notion that hysteria was peculiar to women and caused by disturbances of the uterus Date:1801
1 : a psychoneurosis marked by emotional excitability and disturbances of the psychic, sensory, vasomotor, and visceral functions 2 : behavior exhibiting overwhelming or unmanageable fear or emotional excess