not bat an eyelash

bat an eyelash

To display a subtle emotional reaction, such as consternation, annoyance, sadness, joy, etc. Generally used in the negative to denote that the person in question did not display even a hint of an emotional response. Mary didn't even bat an eyelash when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eyelash.
See also: bat, eyelash

not bat an eyelash

To not display even a hint of an emotional response, such as consternation, annoyance, sadness, joy, etc. Mary didn't even bat an eyelash when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eyelash.
See also: bat, eyelash, not
References in periodicals archive ?
Director Mark Meily of the Viva movie "#FBois: Squad Goals" did not bat an eyelash when asked to explain why they insisted on the title despite the widely notorious belief that the "F" there stands for an obscene, four-letter word.
Kung walang proof beyond reasonable doubt, I will not bat an eyelash in acquitting the accused, Martires said.
How many union reps who decry McCarthyism in their classrooms did not bat an eyelash at this clear infringement of freedom of speech?