A very annoying person, that just happens to be your friend. You don't want them to be, because they can be mean, annoying, and complete jerks. If you know a Katie, I would stay away.
Guy- Hey did you se the new girl, Katie?
Girl- Yeah, shes such a jerk!
by howdoudo August 05, 2012
A bitch who steals your friends and goes out with every boy in the class. Thinks shes amazing but shes not.
katie: hey roisin, come over HERE...
by parasmore May 12, 2012
A girl who flirts with a guy who's already in a relationship, and causes the once very happy couple to break up.
Person 1: My boyfriend and I broke up.
Person 2: Why? You were so happy!
Person 1: He says it's nothing, but I bet it was Katie.
by a.t.m.m.t.a July 12, 2011
The annoying one.
Swears like a feud, beats up people up to twice her age, is average height and quite pudgy.
Does far more harm than good.
Has an extremely bossy best friend, who might even be as annoying as she is, and another friend who curses almost as much as she does.
She will drag people around by their hair, give you the middle finger for no goddamn reason, and has a more physically attractive sibling than her.
Is destined to end up in an insane asylum/juvenile prison/jail with her friend(s).
Will insult you and your intelligence...even though she herself has very little of it.
*Rolls eyes* "Katie, shut the hell up."-Older sibling
*facepalm* Shut the fuck up.
by DontEvenThinkAboutIt. October 18, 2013
A girl who likes to ride big floppy stallions and rages all the time. Also has an obsession about snails bordering on OCD. She has an imaginary pet dog and all of her friends are imaginary. She likes to suck on Tarnie's Banarnie, but 'has a Katie' when anyone talks about Tarnie's Banarnie. She likes to be on top and has a massive wang. Likes being felt up by Buddy. Loves Jays and will not hurt them, even if they write about her on Urban Dictionary. Isnt the smartest person and when they say something catastrophically stupid, she uses her hands to cause a distraction. Is a pferd rider.
Jeez Katie, dont have a Katie.

Strap on your saddles caz im going to take you on the ride of your life!

Katie: 1+1=3
Me: No, 1+1=2
Awkward silence
Katie: *waves hands in front of face
by DrJayPHD October 25, 2012
The best defintion known to man as a whore, slut, skank and prostitute. Put your hands up cause everybody knows katie katie is a hoe... (hoe, hoe) hoppin' on to dort highway, hopin' that she would get paid. Hopin' that she would get laid!
I did something naughty last night!

Omg please don't tell me...

Yes, it's true... I pulled a Katie!

by Ralalalabusky June 01, 2011
Katie Is Pathic and needs to grow she always crys over stupid things, her best friend try's so hard to help and put up with her but soon she will give up, she can move on and needs to learn to stand on her own two feet, always expects everyone. Els to do things for her always annoy the brother and he gets fed up, Katie is NOT a trust worthy person and will always spill the beans her best friends always trys her best but its not good enough for KATIE so if you know a Katie WATCH OUT! As se might hold you back!
Katie is a Idiot Pathic!! And holds people back e.g bestfriend!
by Sarah pine house May 17, 2012
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