Good question. It feels like this term is being thrown around quite a lot.<p>Out of curiosity I browsed Wikipedia which had this to say:<p><pre><code>    Psychopathy emphasize three observable characteristics to varying degrees:
    
    - Boldness. Low fear, high tolerance of stress, unfamiliarity and danger, and 
      high self-confidence and social assertiveness.
    
    - Disinhibition. Poor impulse control including problems with planning and  
      foresight, lacking affect and urge control, and demand 
      for immediate gratification. Low conscientiousness.
    
    - Meanness. Lacking empathy and close attachments with others, use of cruelty 
      to gain empowerment, exploitative tendencies, defiance 
      of authority, and destructive excitement seeking. 
    
</code></pre>
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