Poetic justice is a literary device in which ultimately virtue is rewarded and viciousness is punished. In current usage it is often accompanied by an ironic twist of fate related to the individual in question’s own actions and behaviour.
‘Getting a taste of one’s own medicine’
Typically medicine don’t taste nice. Thus, if you make people feel unappreciated, insecure, jealous and anxious, you’ve little right to complain if they turn around and do the same back to you.
‘What goes around, comes around’
Similarly, what goes around comes around, means that if you treat people badly, you can’t be too surprised if one day you find yourself being treated in that same kind of way.
The fact of experiencing a fitting or deserved retribution for one’s actions.
The punishment inflicted on someone as vengeance for their wrong doing or criminal actions.
The punishment inflicted or retribution exacted for causing an injury or having done something wrong.
A form of behaviour showing high moral standards.
To be deliberately cruel and/or violent.