мерцать(To flash on and off. Cursors, insertion points, menu choices, warning messages, and other displays on a computer screen that are intended to catch the eye are often made to blink. The rate of blinking in a graphical user interface can sometimes be controlled by the user)
зависнуть(например, в разговоре Mikhail11); повести бровью(с отрицанием, в значении "внешне не проявить эмоций" • He didn’t blink when I asked him to speculate on Apatosaurus penis size or kept bringing up what Tyrannosaurus probably tasted like.Abysslooker)