Idioms, Cliches, and Slang
What does the Australian slang word Whinge mean?
"Whinge" is not slang, it is an English word meaning "to complain or whine", usually for a trivial issue.
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"All was well."
Why did Dolores Umbridge send dementors to Little Whinging?
She wanted them to attack Harry and either give him the kiss or force him to use magic so he would get expelled from Hogwarts.