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5.
cool
BOB: i just had really bad ice cream

JIM: koolios
by vampressa123 November 03, 2010
 
1.
the new "hippest" way to say cool(*lol), expecially when instant messaging!
IM Conversation:
monkeezrok: I got a new Guitar!!!
tammlala: Koolio!!!
by Alyssa March 06, 2004
 
2.
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
by JabbaLicks June 15, 2009
 
3.
another way of saying 'cool' or 'kool'. an exclamation that somthing is quite good, or that you have approved it.
'im going to town to but a new pair of converse'
'koolio'
by pepperoni September 05, 2003
 
4.
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
Girl: gotta go, cyaa
Boy: Oh Okay, cya!
Girl leaves
Boy: Wow, she's so Koolio!
by DJHarrington May 14, 2014
 
6.
It means Cool or awesome, but spelled better!! its also really fun to say!!! ^_^
Person: OMG i got these cute new shoes!
You: Koolio!!
by Ya-dun-need-2-kno February 13, 2009
 
7.
Koolio doesnt really have a meaning cos its made up. Its just a mutation of cool often used in instant messaging.
Bob - My head is round

Fred - Koolio
by John Da Rebel May 08, 2006