Urban Dictionary: Mary Kate

wearing big sunglasses makes me so mary-kate.

by nicole April 14, 2005

that mary-kate is such a dumbass

A twin who is really, a dumb bitch.
generally annoying.

Also, pumpkin shaped with toothpick legs.

I like maggie, but mary-kate is a dumb skank. What the hell is up with her damn dash anyway?

WOW! She is very pumpkin shaped...she's a Mary-Kate!

by curtisssss June 12, 2008

Verb: to induce vomiting when feeling bloated and particularly regretful after bingeing

The party is tomorrow! She's gonna have to "mary kate" that Big Mac if she wants to fit in her dress.

by Richard F the2nd December 28, 2007

mary-kate; a girl who wont give up her eating disorder. and is afraid of getting help, who wont accept the help she needs.

mary-kate; i am afraid to be over ninety pounds,im not going to keep my food down.

by naghmeh November 23, 2007

mary-Kate; a girl who wont give up her eating disorder, a girl who is afraid of getting fat, and wont accept the help she needs.

mary-kate; i am scared to get fat so i just wont eat and if i do ill throw it up.

by tokieo November 23, 2007

noun; a girl who wont give up her eating disorder. and wont accept the help she needs.

mary-kate; i am scared to get fat im just not going to eat.

by naghmeh November 23, 2007