Jiggery pokery!” said Harry in a fierce voice. “Hocus pocus — squiggly wiggly —”
“MUUUUUUM!” howled Dudley, “He’s doing you know what!

I don't think you're a waste of space.

Yeah, but coming from Dudley that's like "I love you.

No, thanks," said Harry. "The toilet's never had anything as horrible as your head down it— it might be sick." Then he ran, before Dudley could work out what he'd said.

Aunt Petunia often said that Dudley looked like a baby angel — Harry often said that Dudley looked like a pig in a wig.

They think I'm a waste of space, actually, but I'm used to—"

"I don't think you're a waste of space."

If Harry had not seen Dudley's lips move, he might not have believed it. As it was, he stared at Dudley for several seconds before accepting that it must have been his cousin who had spoken; for one thing, Dudley had turned red. Harry was embarrassed and astonished himself.