hang the moon verb1 •(US) To place the moon in the sky: used as an example of a superlative act attributed to someone viewed with uncritical or excessive awe, reverence, or infatuation."Everybody in the 8th Wing thinks he hung the moon," says one of Olds's aviators. "We'd follow him anywhere." — 1967 formshung the moon · hanging the moon · hangs the moon