Karma to burn refers to a situation where someone has accumulated negative consequences for their actions and is now facing the consequences. There are several synonyms for this term, including "reaping what you sow," "getting your just desserts," "paying the piper," and "getting what's coming to you." Each of these phrases underscores the idea that actions have consequences and that people who behave badly will eventually face the repercussions of their behavior. While karma to burn has negative connotations, the synonyms for this term emphasize the idea of justice and accountability, which are crucial components of a functioning society.