Longbottomed 

Someone who has successfully navigated puberty like Neville Longbottom in the Harry Potter films.

Daniel Radcliffe: Wow, you've really longbottomed

Matthew Lewis: Yea, I'm really glad I lost the baby fat and can pick up chicks now.

Longbottomed by HollyNoGoLightly January 13, 2016

Neville Longbottomed 

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.

Neville Longbottomed by those guys you don't know September 16, 2013

Nevel Longbottomed 

When an unattractive pre teen goes through puberty and becomes a sexy beast.

Taylor: Is that Rob?

Kristen: Yeah.

Taylor: Wasn't he kinda ugly?
Kristen: Yeah, he totally got Nevel Longbottomed.

Nevel Longbottomed by Purplepumpkin July 13, 2015

neville longbottomed 

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

neville longbottomed by harrypotterland August 31, 2013

long bottom 

A coffee roasting co. that has nothing but hott girls that work there with 'Onion Asses'

Jeff: Dude have you been to 'Thong Bottoms', i mean Long bottoms lately?

Mike: Nah man, y?

Jeff: all the girls there are SO hott! too much Onion Ass! drive a dude crazy!

long bottom by Persiandeity March 6, 2008

Neville Longbottomed 

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!"

Neville Longbottomed by Ginjasaaa May 30, 2017

soggy long bottom

A chic that has a long, droopy butt.

"You see the soggy long bottom in the jeans over there?"

soggy long bottom by dawsdz September 8, 2004