look up and down (for someone or something)
to look everywhere for someone or something. Where is Kelly? I looked up and down for her. I can't find her. I looked up and down, but no Kelly.
look up and down something
to gaze up and then down something, such as a street. We looked up and down the street and saw no cars, no houses, and no people. Mary looked up and down the highway, but she could not find her lost hubcap.