The phrase "getting one's just desserts" means getting what one deserves, often in a negative way. There are many synonyms for this phrase, including "reaping what you sow," "getting your comeuppance," "paying the piper," "getting your just deserts," or simply "getting what you deserve." These phrases all emphasize the idea that there are consequences for one's actions and that those consequences may be negative if someone behaves badly. In order to avoid getting their just desserts, people should always strive to act with integrity and treat others with kindness and respect, which will ultimately lead to positive outcomes.