Most highhat is a phrase that describes someone who is arrogant and thinks they are better than others. Some synonyms for this phrase include conceited, pompous, snobbish, haughty, and supercilious. These words all describe an attitude of superiority or disdain towards others, and can be used to express frustration with someone who behaves in a condescending manner. It is important to note that using these labels can be hurtful, so it is best to approach situations where someone is being highhat with understanding and empathy, rather than immediately resorting to name-calling.