If someone is reacting like this, it might be because they did something marked by "shame" or "disgrace". In other words, they did something what?
Answer Ignominious
From Merriam-Webster:
ig·no·min·i·ous | \ ˌig-nə-ˈmi-nē-əs \
1: HUMILIATING, DEGRADING
"an ignominious defeat"
2: deserving of shame or infamy : DESPICABLE
Asked by Tom Cohen · Last updated 5 years ago · 14.9K views