When an INTP (Introverted, Intuitive, Thinking, Perceiving) becomes angry, their behavior and demeanor can change significantly. Here is a detailed description of an INTP when angry:

1. Intense internal processing: INTPs are known for their introspective nature, and when they become angry, they tend to retreat into their minds. They will analyze the situation, replaying events and conversations, trying to understand the root cause of their anger. This internal processing can make them appear distant and detached from their surroundings.

2. Logical and critical: INTPs rely heavily on their thinking function, even when angry. They will dissect the situation, looking for inconsistencies, logical fallacies, or any flaws in the arguments presented to them. They may engage in debates or arguments to express their anger, using their sharp intellect to dismantle opposing viewpoints.

3. Withdrawal and isolation: INTPs are introverted by nature, and when angry, they often prefer to withdraw from the situation or the people involved. They may seek solitude to process their emotions and regain their composure. This withdrawal can be seen as a defense mechanism to protect themselves from further emotional turmoil.

4. Blunt and direct communication: INTPs value honesty and intellectual integrity, and when angry, they may express their emotions through direct and straightforward communication. They will not hesitate to voice their opinions, even if it means being blunt or confrontational. Their anger can manifest as a strong desire to correct perceived injustices or irrational behavior.

5. Emotional suppression: INTPs are not naturally in tune with their emotions, and when angry, they may struggle to express their feelings outwardly. They might suppress their emotions, appearing calm and composed on the surface, while internally seething with anger. This emotional suppression can lead to a buildup of frustration and resentment over time.

6. Need for resolution: INTPs have a strong desire for understanding and resolution. When angry, they may actively seek solutions to the problem at hand. They will engage in problem-solving, analyzing different perspectives, and proposing logical solutions to address the underlying issues. Their anger can drive them to find ways to prevent similar situations from occurring in the future.

7. Short-lived anger: While INTPs can become angry, their anger tends to be short-lived. Once they have processed their emotions and found a resolution, they often return to their usual calm and rational state. They may even reflect on their anger, analyzing their own reactions and seeking personal growth from the experience.

It's important to note that individuals vary, and not all INTPs will exhibit the same behaviors when angry. Additionally, the intensity and expression of anger can differ depending on the individual's maturity, life experiences, and personal development.