When Aunt Petunia put a quarter of unsweetened grapefruit onto Dudley’s plate with a tremulous "There you are, Diddy darling," Dudley glowered at her.
Some people, like Neville, had paid up just to stop Hermione from glowering at them.
Mrs. Weasley was still glowering as she kissed Mr. Weasley on the cheek, though not nearly as much as the twins, who had each hoisted their rucksacks onto their backs and walked out without a word to her.
He didn’t talk much as they changed into their school robes, and was still glowering when the Hogwarts Express slowed down at last and finally stopped in the pitch-darkness of Hogsmeade station.
But Krum glowered at him, and Harry, somehow struck anew by how tall Krum was, elaborated.
"I vant to know," he said, glowering, "vot there is between you and Hermy-ownninny."
Breathing heavily, Hagrid gave Karkaroff a glowering look.
"So we asked for our money back," said George glowering.