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20.
1. somethign you say randomly at the end of a sentence, used as "ok".
"come out tonight.."
"mkay"
by Pirate Laura August 06, 2006
 
1.
Made popular by Mr. Mackey on the Comedy Central show South Park. Said after every sentence. Used in Place of ok.
I want you boys to settle down, Mkay?
by Gilby January 02, 2006
 
2.
Another word for o.k.(okay)
M'kay class, can you all please stay seated, m'kay?
by Anthony April 24, 2003
 
3.
Saying okay South Park style.
(came from Mr. Maki, m'kay?*lol)
1) I'm gonna go kill myself...m'kay?
2) South Park is the shizzle...m'kay?
by Skittles! May 24, 2005
 
4.
A word commonly used by guidance’s councilor Mr. Macky from South Park that refers to okay..

On another note m'kay might be linked to the creators of South Park - Matt Stone / Trey Parker and there love of K / Ketamine

Drugs are bad m'kay.....
by chuckthefuk January 19, 2006
 
5.
It's used on the popular television show South Park by Mr. Mackey (not Garrison) in place of certain obscenities.
"Step 4: Dont say fuck any more because fuck is the worst word that you can say, So just use the word m'kay!" - Mr. Mackey

by SpaceCowboy June 09, 2006
 
6.
Another way of saying Okay.
Billybob:Mkay, today class we will learn about skull fucking mkay
by L2L1 March 27, 2005
 
7.
You all miss the point. mkay, as in the South Park satire, was used by a smug, patronising teacher who says it after a lesson in a tone of fake understanding and empathy with his listeners. Nobody would use it as a substitute for 'okay' except tongue-in-cheek, mkay?
mkay
by mmmmkay9 August 23, 2008