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Amazingly cool people who are obsessed with Harry Potter.
Person 1: Have you got Deathly Hallows yet?

Person 2: Hell, yeah! I was at my local book shop from 7pm until Midnight on 20th July 2007 to buy it!

Person 1: 'Course, you're such a Potterhead *gazes adoringly*
by TheNargleKid October 17, 2009
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Generally someone who loves harry potter (like me) mostly amazing people that have not much to do in their lives...will know every single fact to harry potter!
Potterhead: did you know that Emma Watson is related to an accused witch (true fact..told you I am a Potterhead)
Dude: are such a POTTERHEAD
by HARRYPOTTERRULES4LYF September 14, 2011
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For all you poor muggles and squibs who have no idea the wow-ness of Harry Potter, a Potterhead is part of the best fandom in the world. Potterheads have read ALL the books, watched the movies, and were annoyed that Harry Potter himself did not use the Elder wand to fix his own. Potterheads are those who know who Peeves and Winky are, are found to say 'always' and have a slight panic attack when hearing the words magic or giant. Also, Potterheads can be found trying to bring children into the fandom and (usually) read or write fanfictions. Potterheads are known for the amount of online friends they have and the lack of real friends.
A: Hagrid is such a weirdo.
A: Who's Grawp?
by Potterscrinator September 26, 2013
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Some one who is obsessed with Harry Potter and the magical world he lives in. Know excessive amounts of information about Harry Potter books and movies.
Did you hear, Allie's such a Potter head she got her name in the paper when Goblet of Fire came out.
by Liesy November 19, 2005
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An extreme version of a fan of the Harry Potter books.

The extremity of a particular Potterhead's behavior can range from merely obsessing about the books by reading them more than 5 times each, and the movies by watching them more than 5 times each, to a fangirl or boy who stalks the celebrities, own a livejournal to write fanfiction, draw fanart, post self-made YouTube fanvideos, pray to shrines accordingly to their section of the fandom (eg. The Good Ship, slash, Manippers...etc), listen to Wizard rock (Wrock) and/or spend hours on a discussion forum debating on theories and opinions.

The ages of Potterheads can range from 13-80, depending on the maturity of the person. Extremists are generally older, as the Harry Potter fandom revolves largely around sex between characters, money needed to BUY Harry Potter items (that parents are unlikely to comply with), and a good sense of humor and wit to protect, again, the Potterhead's section of the fandom, as sections tend to clash (eg. Shipping Wars).

A Potterhead, however, is not a 10 year old who wears Harry Potter gear, dresses up with glasses, a cape, and a drawn on scar. A Potterhead is NOT one who thinks Ron Weasley is stupid (with exception to radical H/Hr shippers). A Potterhead is not one who does not know how to read, but watches the films and worships Emma Watson. A Potterhead is not a nerd. Nerds are too busy studying to obsess about pop culture.

A Potterhead can be closely affiliated with fangirl, fan, or Obsessed Freak of Nature.
11 year old Girl: OH EM GEE! I luV HaRrY POtTeR! It Is SoOo KeWl! RoN is So StUpId! I hAvE aLl tHe MoVieS On DvD! I dOn'T uNdErStAnD wHy Harry/Hermione DoN't GeT tOgEtHeR! DeY aRe So MeAnT 2 b In da MoViEs!

Potterhead: Go fuck yourself, you friggen peice of shit. *SQUEEE*
by burningpumpkins May 24, 2007
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