Tin god is a phrase that is used to describe someone who behaves as if they are a powerful or important person, but in reality, they hold no real authority. There are many synonyms that can be used to describe a tin god, including pretender, wannabe, impostor, poser, and charlatan. Other suitable words include braggart, blowhard, self-important narcissist, and egotist. Individuals who are labeled as tin gods tend to have a self-inflated sense of importance, although their actual accomplishments are minimal or non-existent. These synonyms help us understand the concept of a tin god, and how their behavior differs from truly confident and successful individuals.