To clear things up, I AM a Kairi fan. But also take 'bitch' as a compliment rather than an insult.
So even if Kairi was a bitch, I think by now, she'd every reason to be one.
And yes, I do think this is something Sora would do if ever saw Beavis & Butthead. :3
Sora, Kairi, Kingdom Hearts (c) Tetsuya Nomura & SquareEnix