Here goes:

"Ummmh"

"Well?"

"That's a stupid question, I won't answer it."

"I thought there were no such things as stupid questions?!"

"Well, you were wrong."

"You dont' like me?"

"Well, you ask stupid questions. That equals stupid. Go figure."

"You think I'm stupid?"

"No, just boring. Stupidity is boring."

"So..."

"Yeah, I'll split. Bye."

"Hmph. Bastard."