Top Definition
JK Rowling On the Floor Laughing. What is written when you are joking about liking something in Harry Potter. Synonymous with just kidding, but solely for Harry Potter.
Roger: Hey did you like Prisoner of Azkaban?
Lawrence: Yes it was my favourite!
Roger: Really????
Lawrence: No! JKROFL!
by mugglemater December 21, 2011

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