An impulse control disorder in which the person feels the need to repetitively pick at or scratch their skin when they are stressed or anxious. People with dermatillomania usually have very low self-esteem and can also suffer from depression or an anxiety disorder.
She knew she was going to regret it later, but she couldn't stop scratching her arms.
Her dermatillomania was so severe that it had caused tissue damage where she picked at her skin the most.
Is the observation that common socially acceptable behaviors, reactionary standards of dispute resolution, interests in higher learning and "self betterment" are on the sharp decline in America and some other country/states . Many Derpatologists agree; with the constant incline of the state of "Derp", lower I.Q's will follow at an equal or sharply worsening rate.
Very un-common to use in sentence structure, since it's not science just rhetoric at this point. But as a rudimentary example:
"Got my B.S. in Sociology. Served four years in Peace Core. Became a parole officer. Yada yada yada, later found my way into derpatology."
An unusually incurable disorder in which the infected derp uncontrollably and prevents them from being a functional member of society or something of that nature.
Jeeze, that person can't do anything right they must have derpatitis! -Dr. Adkins.