Narcissistic rage can be defined as intense anger, aggression, or passive-aggression when a narcissist experiences a setback or disappointment, which shatters his (or her) illusions of grandiosity, entitlement, and superiority, and triggers inner inadequacy, shame, and vulnerability.
Examples of narcissistic rage range from intense outbursts and sudden fits of anger, to passive-aggressive acts such as simmering resentment, icy silence, deliberate neglect, or cutting sarcasm. What distinguishes narcissistic rage from normal anger is that it is usually unreasonable, disproportional, and cuttingly aggressive (or intensely passive-aggressive), all because the narcissists’ wants and wishes are not being catered to. It is a blow to their superficial, idealized self-image.