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

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Total cutie, thinks you are a little girl if you dont do what she wants. Is always fun to be around, unless she doesnt talk at all..... ever.. even during awkward silences... Once you get used to her awkwardness you will learn to get along with her and it wont be too awkward. She seems to act hyper and crazy with everyone except you so dont get your hopes up. other than that kelsey is a fine specimen of a women and is sure to brighten up your day .
Person 1: Dude did you just hear that horrible noise?
Person 2: Yeah i know its piercing its gotta be a "kelsey."
by icreepongirls May 05, 2011

The Urban Dictionary Mug

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A drunk moose who frequently gets stuck in a tree.
TROLOL look at that Kelsey.
by Non-Drunk Moose October 02, 2011

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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A girl who smells like cat litter
Boy: Hey whats that smell?
Girl: Oh, it's just Kelsey.
by Spider-Girl December 16, 2013

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt