(verb)- made to believe that a person or character is unattractive, and then to find out they are the hottest thing on two feet,

origin- English- after the character Neville Longbottom from the popular Harry Potter series by British author J.K. Rowling
That show Neville Longbottomed us in season two. The main character turned so hot!
by whatnow35 December 14, 2013
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The term used to describe when someone who is not exactly attractive suddenly goes through puberty and becomes hot.
Man, Hiccup really Neville-Longbottomed everyone iin How to Train Your Dragon 2.
by The real deal 7125 February 11, 2017
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When a character, despite being intelligent, brave, talented, or an otherwise stalwart and loyal friend is dismissed by fans until they become more attractive, at which point everyone pays attention to how hot they became.

refers to Neville Lognbottom, a character from JK Rowling's Harry Potter series, who was generally unpopular until the actor portraying him (Matthew Lewis) became attractive in time for the film adaptations of the final book.
Jeff has many interests that nobody cared about before he Neville Longbottomed, they still don't care but at least he's attractive.

Mary Neville Longbottomed and now she can't tell who is her friend and who just wants to sleep with her.
by those guys you don't know September 16, 2013
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when an ugly person (usually a character with a recurring role in a series) passes puberty and becomes really good looking
have you seen Joseph Gordon-Levitt lately?
he totally neville longbottomed
by harrypotterland July 24, 2013
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In the popular film franchise Harry Potter , Neville longbottom goes from being a slightly geeky , chubby child to a fit as fuck adult. Similar to a glo up, if someone has Neville longbottomed they have gotten significantly hotter
"Have you seen Tom recently? He's so hot now!"
"I know, he's seriously Neville Longbottomed!"
by Ginjasaaa May 30, 2017
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One of Harry's fellow Gryffindor's - and a member of his class. His parents got tortured over and over again by a Death Eater using the Cruatious curse - until they permananently lost their minds.

A sad and lonely individual who hasn't lived up to their potential yet.
Why are you acting like Neville Longbottom?
by Some stuff July 19, 2006
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The transition for a (most likely make) actor from his dorky teen year to his hottness supreem prime. Like the actor that played nevil longbottom from the popular Harry Potter franchise, Matthew Lewis. Mathew was a cute chubby kid, but evolved into a very dorky teen, like one of those weird second forms of a new generation Pokémon. But low and behold, after the Harry Potter ended, he became so hot that most of us honestly couldn’t even recognize him as Neville anymore.
Example: Remember woody, from the suite life on deck? Yeah we’ll go look him up now, we’ve been nevil longbottomed again boys
by kirika February 5, 2018
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