get one's wires crossed

Also, have one's wires crossed. Become or be confused or mistaken about something, as in If you think there's a meeting today, you really have your wires crossed; it's not till next month. This expression transfers a wrongly wired telephone or telegraph connection to human misunderstanding. [Colloquial; early 1900s]

Words nearby get one's wires crossed

get one's money's worth, get one's own back, get one's teeth into, get one's walking papers, get one's way, get one's wires crossed, get onto, get out, get out from under, get out of, get out of one's face