Magpie Moment
A moment that the conversation dies because one of the people conversing is distracted by something bright and shiny.
Woman and man are talking. Woman asks the man a question and gets no response.
(lull) Man: oh, sorry; what were you saying?
Woman: What was that?
Man: Oh, I had a magpie moment!
(lull) Man: oh, sorry; what were you saying?
Woman: What was that?
Man: Oh, I had a magpie moment!