A New Yorker, quiet, smart, cute, about 5'6" in height, with gorgeous red hair, great style, and two of the prettiest blue eyes in the world.
You know that book "20,000 Leagues Under The Sea" by Jules Verne?

Ya, why?

He wrote that about me because if Kelsey's league was the surface of the ocean, I'd be 20,000 leagues under the sea!
by fivehours April 15, 2010
An oblivious, ignorant, foolish girl. One who does not consider others.
Girl #1: "I only care about a few people in the world!!!" evil cackle.

Girl #2: OMG, she just pulled a 'Kelsey.'
by The Alarmer February 06, 2013
A name for a girl who lurks facebook. Not only will she spend hours liking every one of your posts, she will know things about you that you don't even know about yourself.
Damn, that girl is a kelsey. She's been lurking facebook all day!
by Shelby (not a lurker) March 29, 2011
known as the Flushing whore. Askanyone from Flushing and they will say...I heard she's Fucked everyone at the school including middle schoolers, or I hear she's pregnant again...oh wait she's prob lying like usual.
dude you know Kelsey r?

yeah dude, she's Fucked my older and younger brother..she nasty!
by yourface2100 May 10, 2012
A kelsey is somone who may appear to be nice on first meet but that will all come back and bite you in the ass! she is a fishy reject who needs a life and a pal who dont look like a whale...
man: whoa did u see that girl back there??

other man: yh shes a right kelsey...
by greenfrogs January 07, 2012
A horrible, ugly, poser person usually fat. Weird eyes and big teeth. Ugly laugh.
person: Ugh, kelsey thinks she's such a NERD.
you: I know, I wish she'd commit to her claims of being suicidal and do it already.
by Harikar October 09, 2013
When someone initiates a conversation with the opposite gender and claims to others that the person they talked to actually started it and wouldn't shut up in order to avoid sounding desperate. usually occurs when a younger girl talks to an older guy
wow, she totally pulled a kelsey on you
by partyhardy09876 June 14, 2011

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