From Longman Dictionary of Contemporary Englishbe climbing/crawling (up) the wallsbe climbing/crawling (up) the wallsinformalANNOY to be feeling extremely anxious, unhappy, or annoyed, especially because you are waiting for something or are in a situation which you cannot get away from The kids soon had him climbing the walls. → wall
Examples from the Corpus
be climbing/crawling (up) the walls• Realizes he is moving in her desperately, as if he is climbing the walls of a closed building.