Contrary to popular belief, very few people diagnosed with psychoses are violent.
2. Informal and erroneous, though by far the most common lay usage. Refers to extreme behaviour that appears exaggerated, dangerously violent, or motivated by extreme rage. Is usually frightening to observers.
2. "Just saw the most intense road rage ever. This psychotic guy got out of his car with a club and started smashing the other dude's windows in"