Using a metaphor in front of a man as unimaginative as Ridcully was like a
red flag to a bu... was like putting something very annoying in front of
someone who was annoyed by it.

Grinning like a necrophiliac in a morgue.

Watching a dog try to chew a large piece of toffee is a pastime fit for gods. Mr. Fusspot's mixed ancestry had given him a dexterity of jaw that was truly awesome. He somersaulted happily around the floor, making faces like a rubber gargoyle in a washing machine.

Getting an education was a bit like a communicable sexual disease. It made you unsuitable for a lot of jobs and then you had the urge to pass it on.

Using a metaphor in front of a man as unimaginative as Ridcully was like a red flag to a bull, was like putting something very annoying in front of someone who was annoyed by it

Nanny's words made Janie's kiss across the gatepost seem like a manure pile after a rain