The aim of this paper is to list and explain the manifestations of destructive organizational communication (N=24) and manipulation (N=26) as important communication phenomena in the area of dark side management/black art of management/dark managerial skills. For that purpose it is used the method of description, synthesis and insight. From an organizational/social point of view, it is important to identify, recognize and deal with destructive/deviant communication phenomena that occur and manifest in many forms in order to minimize organizational/social damage (e.g. functional organizational stupidity/stupidity management). Techniques of destructive organizational manipulation were collected through insight into sources and life experience. Total of N=50 known/unknown techniques are connected with functional organizational stupidity and stupidity management as regular consequences of successful use of explicit destructive and manipulative techniques. As features of coping with the mentioned "dark" communication techniques, preventive and reactive measures are listed and explicated. This is done in order to control destructive communication tendencies and create/maintain the desired productive (smart) organizational communication climate. Keywords: destructive communication, manipulation, functional organizational stupidity, stupidity management, moral management and moral maximization, productive (smart) communication climate, organizational communication, organizational behavior JEL Classification: D23, M21, M53, M59, O15.