1 definition by mintypingu

1)writer of a book that harry potter uses to do well in his potions class. the half blood prince wrote the book in his youth at hogwarts, and is actually snape.

2)title of the long awaited 6th harry potter book by j.k rowling, released on the 16th of july 2005.
1) "dude, who knew snape was the half blood prince eh?"

2) "omg half blood prince is out in 3 days!"
by mintypingu August 10, 2005
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