Mine would be:
Me: Hey, Hayden.
Hayden (friend): Hey.
Me: Guess what you are.
Hayden: What?
Me: A bitch.
~5 minutes later~
Me: Hayden, guess what you are.
Hayden: A bitch?
Me: No, stupid. You're a bitch.
Topic: What does a usual conversation with you and a friend (I don't care what kind) consist of? What's the usual tone? etc.