From Longman Dictionary of Contemporary Englishhang your headhang your headASHAMEDEMBARRASSEDto look ashamed and embarrassed She hung her head, not sure how to reply. Daphne had hung her head in shame. → hang
Examples from the Corpus
hang your head• I could see from his silhouette in the starlight that he was hanging his head.• I realized I had no reason to hang my head.• She did not, now, want to see him dismissed, led away hanging his head.• She refused to be cowardly and hang her head.• He cries, whines, and just goes and sits over there and hangs his head down.• Father Time wouldn't have been alone in hanging his head in shame.• He was in the House at the time, so he should hang his head in shame. 