march to the beat of a different drummer

March to the beat of a different drummer refers to someone that behaves in a way which is different from other people or to believe in different things than others similar to you tend to believe. Someone who marches to the beat of a different drummer is often seen as being different, crazy, eccentric, unusual or simply unique. This person often feels that regardless of what other people think or do, they choose to have their own set of beliefs.