That thing has a name?

Chizpurfle infestations explain the puzzling failure of many relatively new Muggle electrical artifacts.

The sight of a tree at night full of glowing Clabbert lifestyles, while decorative, attracted too many Muggles wishing to ask why their neighbours still had their Christmas lights up in June.

Ah,' said Fudge, who looked thoroughly disconcerted. 'Dumbledore. Yes. You - er - got our - er - message that the time and - er - place of the hearing had been changed, then?'
'I must have missed it,' said Dumbledore cheerfully. 'However, due to a lucky mistake I arrived at the Ministry three hours early, so no harm done.

Don’t put your wand there, boy! ... Better wizards than you have lost buttocks, you know!

So, Harry,' said Dumbledore quietly. "Before you got lost in my thoughts, you wanted to tell me something.'
'Yes,' said Harry. 'Professor - I was in Divination just now, and - er - I fell asleep.'
He hesitated here, wondering if a reprimand was coming, but Dumbledore merely said, 'Quite understandable. Continue.