What does it mean when a guy says "you're so bad"?

Anonymous
So this guy I had sex with keeps saying "you're so bad though" he said it when we were having sex specifically when getting a bj and he says it after over text. Does he mean I'm a slut or that he was just enjoying it?
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+1 y
Also, he also says he love it and then tells me in detail what he love about it.
What does it mean when a guy says "you're so bad"?
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