McCahill 

One of Irish Decent. If you first name is Shannon it means you are a freak. You like to run around asking people if they like the color blue and you are secretly gay.

Have you seen that McCahill? It smells like a shannon

McCahill by Smmmmmmmmm May 16, 2011

McChillin'

chilling to an extreme degree

Friend: Yo you took 9 shots you good?
Other Friend: Yeah don't worry I'm mcchillin'

McChillin' by Huge Drew November 10, 2021

King Killa McChilla 

The height of supremacy,expressed in a rythmic, flowing way.

The ultimate of cool.

Have you seen the magic beer bottle trick, what that girl can do with a beer bottle is king killa mcchilla.

King Killa McChilla by The Oxford Dictionare June 14, 2005

mcchill

One is very talented in the art of chilling

That guy over there is mcchill bro.

mcchill by mcchill March 3, 2016

mcchillin 

Mcchillin is when a bunch of teenagers usually loiter or hang out at a McDonald's usually for long periods of time or on a daily basis

Bryan: Hey, what are you doing after school?
Jake: I'm Mcchillin with Stephanie and Mike.

mcchillin by littlemermaidrocks January 22, 2010