LONDON -- Even by her standards, J.K. Rowling had a productive day troll-destroying on Monday.

SEE ALSO:J.K. Rowling slams Mike Pence with 1 biblical tweet

It started with the following tweet, which may well have been Rowling's most brutal burn of all time:

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Thousands of retweets later and J.K. Rowling had attracted the attention of other Trump supporters.

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One account in particular accused her of hiding "behind a fictional dweeb ass child".

Rowling's response came a short while later:

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Twitter approved.

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Be warned, trolls: even a hooded chihuahua avatar won't save you.

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