"Hey Paul, I really like you, but let's just be friends." Perrrfect. That one hurts more than a freight train.
Guy: O.k. I'll still hang out with you, I guess. Hopefully, I'll eventually be able to win you over from those assholes and you'll realize that I'm the one for you.
Girl: Nope. I love being treated like shit. Later.
Your conduct during this "relationship" has been of such an annoying nature that we can never, ever be friends.
Fool: "Ok. So, what are you doing this weekend?"
Me: "You don't get it, do you?"
A somewhat passive aggressive way of rejecting someone.