Chew out Definition 1 of 1Pro Tip 1/3Consequence-Based Used after someone makes a mistake or fails at a task, often to show disapproval. After messing up the presentation, Jenny got chewed out by her boss. Pro Tip 2/3Informal Setting Commonly used in casual or everyday discussions, not in formal situations. I hope the manager doesn't chew me out in front of the customers again. Pro Tip 3/3Emotionally Charged Expresses strong emotions; the speaker might be angry, frustrated, or disappointed. My father chewed me out for coming home late.