Is it Rape, or Just Funny?

Let's say your wife has a few too many glasses of wine, then lays down to sleep it off. Now passed out girls are hot, so say you get her pants off of her and start plowing her... sure she didn't say you could, but you know she wants it.

Is that rape, or just funny?

Now what if she wakes up in the middle of it and asks "Are you raping me?"

Is that rape, or just funny?