I don't think Rhona even knows how extreme she goes with pranks. Because the things Schmidt asked showed she doesn't know what a prank is too.

Like cutting of his pinkie, she told him that it's a good prank So I think she thinks she is pranking ppl and doesn't know the difference like Winnie.

Oh how I would wanna hear her thoughts after their first kiss. But as I said before they kinda skipped many steps as it seemed to me.