What is if a guy calls you dude?

If a guy calls you "dude," it is likely that he considers you a friend or acquaintance and sees you as someone he can be casual with. In most cases, it does not necessarily mean that he is romantically interested in you or that he thinks of you as a male. The use of "dude" as a term of endearment has become increasingly common and may depend on the individual's cultural background or personal preferences. However, if you are unsure of the context or intent behind the use of "dude," it may be helpful to ask for clarification.