without batting an eye
Showing no emotion, acting as though nothing were unusual. For example, Richard ate the snails without batting an eye. A related phrase is not bat an eye, as in He didn't bat an eye when she told him he was being laid off. These expressions, which use bat in the sense of “blink,” date from about 1900.
Words nearby without batting an eye
withindoors,
withlacoochee,
without,
without a leg to stand on,
without a stitch on,
without batting an eye,
without doubt,
without fail,
without further ado,
without question,
without so much as