When a guy friend talks about sexual things to you?

Me and this guy have been friends for a couple years now, and only recently he's been joking about me getting with other guys and what I'd want them to do to me (like nothing explicit but like that's the way he talks!)
At times I play along as a joke but other times I find it annoying. One time I reversed it and said something about him and he responded that he'd like that, but any other time I joke he denies he wants anything to do with me.

Now I'm probably looking to much into it and he's just being an a*hole, but I'd appreciate any opinions!
Thanks everyone :)
When a guy friend talks about sexual things to you?
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