by Alyssa March 07, 2004
another way of saying 'cool' or 'kool'. an exclamation that somthing is quite good, or that you have approved it.
by pepperoni September 05, 2003
Koolio doesnt really have a meaning cos its made up. Its just a mutation of cool often used in instant messaging.
by John Da Rebel May 08, 2006
by tahlia November 30, 2004
A word greater than cool, so much so that it has been known that only the greatest, funny, surprisingly attractive and wise people use it
by DJHarrington May 14, 2014
A cool & silly dude.
Jack: i wish i didnt do my own stunts (in that moment Jack was caught in flames)
Jack: So thats what I did for my weekend.
James: Koolio man haha
Jack: So thats what I did for my weekend.
James: Koolio man haha
by JabbaLicks June 15, 2009
by Ya-dun-need-2-kno February 14, 2009