How to reply that you are a prawn?

People say you are a big head shrimp, you can also say that you and I are definitely big head shrimp, because everything has you. Big head shrimp describes a person's carelessness. It is usually said that a person is always forgetful, and that he is a big head or a prawn does not mean that he is a big head. Because nouns are cute in pronunciation, they also have some coquetry and helplessness.