The phrase "eats shit" is a vulgar and offensive phrase used to describe someone behaving badly or making a mistake. Thankfully, there are plenty of more appropriate synonyms that can be used in its place. For example, one could say someone "messed up," "screwed up," "fell short," or "made a blunder." Other options include "made a mistake," "failed," "flubbed," or "bungled." By choosing a more polite synonym, we can avoid offending others and maintain a more respectful and professional tone in our conversations.