Nitwit! Blubber! Oddment! Tweak!

“It's a damn sight harder making stuff up when you're under stress than you'd th…”

“Ginny, listen...I can't be involved with you anymore. We've got to stop seeing …”

“You can't give a Dementor the old one-two!”

“I’d take that gum out of the keyhole if I were you, Peeves,” he said pleasantly…”