skinny, the skinny, deal
a term meaning "what's up?" or "what's goin on?"

Guy A: man, what's the Mary-Kate?

Guy B: just eating a quarter pounder with cheese. what's up with you?
by danny foshizzle2 July 17, 2009
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
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
a little ginger bitch who likes to make herself appear cool by trying to take other girl's boyfriends;usually is a FAKE FIRCROTCH who also talks shit about any other girl who's not in her little group of PRUDES.
and is too pussy to say the shit to people's faces.

usually happens when the girl thinks she's too cool for anyone else...

"wow, even though i don't know her, SHE'S A BITCH AND IM TRYING TO GET WITH HER BOYFRIEND"

"mary-kate that's so mean, why would you talk about your bestfriend like that?"

"because i'm FAKE"- mary-kate
by HOLLER92831 December 15, 2008
an idol to teen girls everywhere
we love you mk! wanna do some lines later?
by jjwinaba March 31, 2005
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
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