What is he calls me dude?

The phrase "he calls me dude" usually means that someone uses the term "dude" to address or refer to the person talking about it. The term "dude" is a slang word that is commonly used as a casual greeting or way of addressing someone, and it is often associated with individuals who are laid-back or easy-going. The context in which someone uses the word can vary depending on the situation, and it can indicate a sense of friendship, informality, or even disrespect.