poetic justice
US /ˌpoʊˌet.ɪk ˈdʒʌs.tɪs/
UK /ˌpoʊˌet.ɪk ˈdʒʌs.tɪs/

1.
giustizia poetica
an outcome in which vice is punished and virtue rewarded, usually in a manner peculiarly or ironically appropriate.
:
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It was poetic justice when the corrupt politician was arrested for bribery.
Fu giustizia poetica quando il politico corrotto fu arrestato per corruzione.
•
After years of cheating, his failure felt like poetic justice.
Dopo anni di imbrogli, il suo fallimento sembrò giustizia poetica.