To spend time thoroughly or exhaustively attempting to locate someone or something. A noun or pronoun is used between "scout" and "up." He spent the better part of a day scouting up the parts he would need to finish his prototype. We'll need to scout a new manager up for this project.
scout someone or something up
to search for and find someone or something. I'll scout up a costume for the Halloween party. Can you scout a date up for Friday night?