Girl called me a piece of man meat?, what does she mean by that?

Anonymous
I was play fighting with this girl (I kinda have a thing for her.) and after we finished, she called me a "piece of man meat", it was after I called her a "piece of shit", (that's the way we play around at work with each other, we both call each other bad things and play hit,I didn't mean it seriously or in a mean way.). I really don't understand why she called me that. So can someone help me out.
Girl called me a piece of man meat?, what does she mean by that?
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