my alter ego. the prettiest girl in the world!!!!!!!!!!
by nicole April 14, 2005

a "Mary Kate" is an ungrateful spineless bitch that acts alot different in public than she does at home. She happens to be a sweetheart on the outside but a cold hearted bitcg when it comes right down to it. she acts differently around different people and can NOT be trusted.
by angrygirlnnn July 11, 2010

by lalalalalalala8884576877534786 October 9, 2008

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!
WOW! She is very pumpkin shaped...she's a Mary-Kate!
by curtisssss June 13, 2008

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 January 11, 2008

mary-kate; a girl who wont give up her eating disorder. and is afraid of getting help, who wont accept the help she needs.
by naghmeh December 25, 2007

by naghmeh December 24, 2007
