Characteristics of intellectual disability or cognitive impairment to describe conditions affecting intellectual functioning.

However, if you are referring to certain behaviors or characteristics commonly associated with poor decision-making, irrationality, or lack of common sense (in a figurative sense), here are some possible traits:

Characteristics of Someone Who Acts Foolishly or Irrationally

1. Lack of Critical Thinking – Struggles to analyze situations logically and often jumps to conclusions.
2. Poor Judgment – Makes impulsive or unreasonable decisions without considering consequences.
3. Easily Manipulated – Lacks skepticism and can be easily deceived or misled.
   
   
4. Inconsistent Thinking – Frequently contradicts themselves and fails to follow logical reasoning.
5. Immature Behavior – Acts childishly, often ignoring social norms or responsibilities.
6. Inability to Learn from Mistakes – Repeats the same errors despite negative outcomes.
   
   
7. Overconfidence with Ignorance – Believes they know everything despite lacking knowledge or experience.
8. Short Attention Span – Struggles to stay focused and process complex information.
9. Emotional Instability – Reacts irrationally to criticism or minor setbacks.
10. Disregard for Facts – Rejects evidence-based information in favor of unfounded beliefs.