when your obsessed with something very much and cant stop thinking about it.
holy shit, that girl is such a hilary..
shes obsessed with cheese.
by liam walker January 22, 2008
Top Definition
is amazing
Oh Em Gee, that girl is hilary!
by notevenjoking_ February 04, 2009
It means smart, sexy, georgeous, loving, protective, kind, nurturing, always there for you when you need them type of friend. Also she is an amazing dancer, and once she trusts you, she will blow you out of the water with her dancing.
Jeff "woah dude, look at that girl dance.....who is she????"
Mark"thats Hilary..."
by purtycrazybird91 December 05, 2010
She's a very cute girl who love to have fun, she likes to eat out with friends, is usually very friendly unless you piss her off, has a perfect smile and beautiful hair, she can dance really good and likes to play sports. She is very beautiful and smart, one of the best people you can ever meet, she is funny and also very kind and sweet. If you ever meet a cute girl called Hilary be nice to her and smile.
Person 1: i just met the cutest girl

Person 2: what's her name

Person 1: Hilary! she is funty!
by IPutDAteamOnMaBACKDoe July 19, 2011
a girl who is pretty, hot, sexy, beautiful, gorgeous, skinny, fierce, compassionate, sympathetic, friendly, nice, kind, playful, adventurous, sizzling, steamy, amazing, super amazing, extraordinary, magnificent, stellar, wonderful, inspiring, and a whore.
she also tends to be an outright stoner.
She's perfect! Indeed, that must be a Hilary!
by idfuckthat12345 April 26, 2009
a girl who eats pizza and drinks beers with the guys whilst maintaining a sense of ladlylike decorum. she also always dresses to the nines, even when she's sleeping
You see that girl over there doing jello shots and wiping up after herself? Yeah, she's a total hilary.

That girl is such a hilary, she showed up to a pajama party in Jimmy Choo slippers and a Chanel bath robe!
by agirlnothilary May 13, 2009
someone who has awesome hair, is really pretty, and is TRULY smart (i.e., can get good grades with minimal effort)
OMG! She is such a hilary! I'm so jealous!
by vinceyheartshilary! January 21, 2008
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