What is what does it mean to have piercing eyes?

To have piercing eyes means to have a gaze that is intense, penetrating, and focused. People with piercing eyes often have a strong and confident presence that can make others feel uncomfortable or intimidated. The expression "piercing eyes" refers to the ability of someone's eyes to seem as if they can see through people, make them feel exposed, or read their thoughts. This type of gaze can be unnerving for some people, especially those who are not used to being scrutinized so closely. Overall, having piercing eyes is a trait that is often associated with power, strength, and confidence.