[header] How to make up comebacks when somebody calls you fat [title] Use sarcasm. [step] Sometimes, people who pick on others don't expect much of a response. Try throwing in some sarcasm, as this may surprise the person bullying you. 
People often target those they think will just take abuse, so a sarcastic comment can stop a bully in their tracks. [substeps] For example, pretend the insult was actually a compliment.