The term "little tin god" refers to someone who is arrogant and overbearing, acting as if they are all-powerful and untouchable. Some synonyms for this phrase include egomaniac, narcissist, megalomaniac, self-important, pompous, conceited, and haughty. These words all describe a person who thinks they are superior to others and demands respect and attention. A "little tin god" may also be referred to as a dictator or autocrat, as they seek to control and dominate those around them. Regardless of the term used, it's clear that these individuals can be extremely difficult to deal with and often cause tension and conflict in personal and professional relationships.