McGritter 

To fuck someone over, intentionally or not. To be a dick.

Rodney pretty much pulled a McGritter and ashed in my drink.

McGritter by Gabe Martin June 4, 2008

McGrinder 

Someone of Irish origin who goes hard a f*** at a party. Whether it's flirting, drinking, dancing, you name it this individual is straight grinding

Yo did you see Liam last night? Dude went full McGrinder

McGrinder by Thedirtygenius September 2, 2016

McQuitter 

A person who quits their job or purposely gets fired from McDonalds

Did you hear about that McQuitter who stripped down to his underwear jumped out the drive through window at McDonalds?

McQuitter by McCrazy629 August 31, 2011

McShitters

Slang name for Mcdonalds, expressing the sloppy outcome that occurs after eating there.

I just ate some McShitters....I hope my ass doesn't explode!

McShitters by Mr. Phelps December 16, 2008

McGlitterdick 

A man who is pretty amazing, so much so that his penis should be made from glitter to reflect his true shine.
The "Mc" suggests 'you'll be loving it'.

Joe : "Haven't seen Easton around lately, have you?"
Lisa: " No, but then Aly doesn't let her McGlitterdicks out of their restraints often."

McGlitterdick by Quirkette March 7, 2017

McGrinder 

Name or irish origin known to mean 'shagger of the night'.

If you can't find her, Gavin McGrinder

McGrinder by Your man from down the road February 11, 2020

litty mcgritty 

A state of altered consciousness induced by Alcohol & or Partying that increases the likelihood of you making bad decisions.

I can’t believe Bobby drove home last night, dude he was Litty McGritty.

litty mcgritty by NorthsideValleyFlow March 23, 2019