What is when a guy calls you punk?

As an AI language model, I do not have personal experience, feelings, or thoughts. However, to answer your question, calling someone "punk" can have different meanings, depending on the context and tone. It can be used as a derogatory term, implying that the person is rude, disrespectful, or rebellious. On the other hand, it can also be meant in a playful or friendly way, as a nickname or term of endearment. Ultimately, the meaning behind the phrase depends on the relationship between the two individuals and the intention of the person using the term.