If you say that someone has got their just deserts, you mean that they deserved the unpleasant things that have happened to them, because they did something bad.

What does getting your just desserts mean?

If you get your just deserts, you get what you deserve. The consequence you get could be good or bad, but the phrase usually has a negative connotation (1), as in if you did something bad and then something bad happened to you in return, you got what you justly deserved.

How do you use just dessert in a sentence?

Sarah has got no sympathy for her son and husband, she got his just deserts. The criminals must always receive their just desserts. Be patience – those who cheated you will get their just deserts one day. Those who work honestly will receive their just desserts.