Poltergeist (from German poltern, meaning to rumble or make noise, and Geist, meaning "ghost", "spirit", or "embodiment") denotes a demonic spirit or ghost that manifests itself by moving and influencing objects.
Poltergeist activity is probably the most misunderstood form of paranormal activity, at least in conjunction with haunted houses. The word poltergeist actually means "noisy ghost" when translated from German and for many years, researchers believed that noisy ghosts were causing the phenomena reported in these cases. It was assumed that the things which occurred in a house that was "haunted" by a poltergeist were caused by an outside force.
http://www.prairieghosts.com/poltergeists1.html...It is believed that person may be unconsciously manipulating the items in the house by psychokinesis (PK), the power to move things by energy generated in the brain. This kinetic energy remains unexplained, but even mainstream scientists are starting to admit that it does seem to exist. It is unknown why this energy seems to appear in females around the age of puberty, but it has been documented to occur. It seems that when the activity begins to manifest, the girl is usually in the midst of some emotional or sexual turmoil.
, kao i " Istjerivac djavola ". Vjerske knjige kazu da ima nesto, dzini, demoni , ljuti duhovi ( ja bih tu dodala i moj bivsi decko , ziv doduse, ali ljut 
