Dead air

Dead air: 1. Un período incómodo de silencio que suele ocurrir en un ambiente social tenso; 2. Un período de tiempo durante el cual un programa de televisión se transmite sin audio. En español se conoce como «silencio en antena» o «aire muerto».

Man 1: How was the blind date? Man 2: OK, but we ran out of things to say while we were at the bar. When we sat down for dinner, neither one of us could think of a thing to say. It was 100% dead air for about five minutes. Man 1: So you didn't get laid? Man 2: Asshat.