Humidity can be measured in several ways, but relative humidity is the most common. In order to understand relative humidity, it is helpful to first understand absolute humidity. Absolute humidity is the mass of water vapor divided by the mass of dry air in a volume of air at a given temperature.
Malignant narcissism. Malignant narcissism is a psychological syndrome comprising an extreme mix of narcissism, antisocial personality disorder, aggression, and sadism. Often grandiose, and always ready to raise hostility levels, the malignant narcissist undermines organizations in which they are involved, and dehumanizes the people with whom they associate.
Then a Malignant Narcissist would be someone that uses such an amount of narcissistic behaviour and permanently not only annoys other people with it, but actually inflicts damage on their lives doing so, may even become physically or mentally violent and / or abusive.