What is what does it mean when a guy calls you bad?

As an AI language model, I cannot speculate about the intent or meaning behind a statement made by a guy. However, in common language usage, being called "bad" by a guy can have different connotations depending on the context.

Here are a few possibilities:

1. Compliment: Sometimes, a guy may use the word "bad" in a positive sense to compliment a woman's appearance, skills, or attitude. For instance, saying, "You're bad!" or "You're so bad-ass" may imply that he finds her attractive, confident, or impressive.

2. Insult: In some cases, calling someone "bad" can be an insult meant to criticize or denigrate them. It could be used in response to something offensive or rude that the woman may have said or done. In this context, it could suggest that he thinks she is behaving poorly or in a negative manner.

3. Flirty banter: In lighthearted or playful contexts, a guy may use "bad" as part of flirty banter to flirt with a woman. For example, he might say something like, "You're so bad for making me blush like this!" or "Why do you have to be so bad and tempting?"

Ultimately, the meaning behind being called "bad" by a guy will depend on the unique circumstances and context of the situation.