To "bat an eye" is an idiomatic expression that refers to the act of showing no visible reaction or surprise in a particular situation or when faced with unexpected or unusual events. It suggests remaining stoic, unaffected, or unfazed by circumstances that would typically elicit a response or emotional reaction.
The phrase originates from the natural reflex of blinking or flickering one's eyes, which often occurs when a person feels startled, taken aback, or shocked. "Bat an eye" implies the opposite of such a response, indicating a person's ability to maintain composure and control over their emotions, even in the face of surprising or shocking situations.
This expression is commonly used to describe someone who displays a lack of surprise, concern, or emotional response when witnessing or experiencing something extraordinary, bizarre, distressing, or unexpected. By not "batting an eye," individuals demonstrate their ability to remain calm, collected, or unbothered even when confronted with unsettling or challenging circumstances.
The phrase is often used figuratively, extending beyond the literal action of blinking, to convey a person's emotional resilience, nonchalance, or indifference. It emphasizes one's ability to maintain a poker face or an air of inscrutability without allowing their emotions to betray them. Overall, "bat an eye" highlights an individual's ability to control their external reactions and maintain a composed demeanor despite surprising or shocking situations.
