mcshmatty 

A term commonly used in boarding schools to shield the real meaning of dip.

Let's go back to your room and throw in a fatty mcshmatty

mcshmatty by Gordi Mcshmortty May 5, 2004

Mcshitty 

A super-size shake in a super-size cup at mcdonalds with all of the flavors in it.

Dude, i can't belive you drank another Mcshitty!

Mcshitty by trots December 19, 2008

McShwetty 

To buy a Big Mack and a Mchicken then peel out the chicken patty and stuff it between the two hamburger patties and Kazam u have made yourself a tasty little sandwich.

Dude i got so drunk last night i went to Mickey DooDoos and made myself a McShwetty.
Bigmac Mchicken

McShwetty by Trip Mcneilly May 16, 2009

Grumpy McShittypants 

The term used to describe someone being grumpy, cranky or overall a childish sleepy turd.

Robert: Sir, wake up! We need to leave this establishment before Phillip arrives to challenge you to a duel!

Joseph: Robert, leave me alone, for I am tired!

Robert: Joseph, quit being a Grumpy McShittypants!

Grumpy McShittypants by Fanchero November 21, 2010

McShitty 

1)
A meal ordered through the McDonalds drive through that turns out to be the wrong order, but you have already started to drive away. You are pissed if you have to turn around and return it, but just as pissed you didnt get what you paid for.

can be reffered to as a

2)
Biggiesized McShitty- When its your 3 yo kids who get the McShitty insted of their McHappysack, and you have already started to drive away.

1)
Driver: hey dude, can you pass me the double cheeseburger i ordered, im fuckin hungry.
Passenger: Damn it, they gave you a McShitty instead.

2)
3yo kid: whhaaahaaaaaaahaaa!!!!!!! I WANT MY GOD DAMN HAPPY MEAL!!!! Whahwahhhhahhaaaaaa!!!!!

Driver: For christs sake, did they have to Biggiesize that McShitty.

McShitty by CHOUL aka Patches O'Houlihan August 30, 2007

McSmarty 

The surname of an awesome person in the 8-2, 2009 class, math table. Members are: Papa Smurf (Father, non-biological), Sherlock (Genius), Jasko (Hair Flipper), Rebel (Rebel), and Mushu (Person-Dog Thing, beast).

Wow, I'm super jealous of the McSmarty's, they are so awesome!

McSmarty by Mushu McSmarty December 20, 2008

McShmapty 

A general name used to describe something or someone awesome. Also the surname of the most awesome mutt ever to live.

This McShmapty just pulled a blind side hyper twist off the third story of my office building!

Hey McShmapty, grab me a beer?!

McShmapty by Gimpy McShmapty the Third February 2, 2010