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
Get the Mary Katemug. by lalalalalalala8884576877534786 October 9, 2008
Get the mary-katemug. 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
Get the mary-katemug. 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
Get the mary katemug. 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
Get the mary-katemug. by naghmeh December 24, 2007
Get the mary-katemug. 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.
by tokieo December 24, 2007
Get the mary-katemug.