Twenty great insults from science fiction & fantasy books

At io9 Amanda Yesilbas and Katharine Trendacosta came up with a list of twenty great insults from science fiction and fantasy books, including:Harry Potter and the Prisoner of Azkaban by JK Rowling

The Marauder’s Map evisceration of Snape:

"Mr. Moony presents his compliments to Professor Snape and begs him to keep his abnormally large nose out of other people's business.

Mr. Prongs agrees with