Dermatothlasia is a cutaneous neurosis characterized by a person`s uncontrollable desire to rub or pinch him/herself to form bruised areas on the skin, sometimes as a defense against pain elsewhere.{rp|63} ...
An uncontrollable impulse to pinch and bruise the skin. ... Origin: dermato-+ G. Thlasis, a bruising ... (05 Mar 2000) ... 
Type: Term Pronunciation: der′mă-tō-thlā′zē-ă Definitions: 1. An uncontrollable impulse to pinch and bruise the skin, usually one's own.