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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
16 31
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
65 31
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
30 11
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'
by pepperoni September 05, 2003
33 22
BOB: i just had really bad ice cream

JIM: koolios
by vampressa123 November 03, 2010
0 1
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
16 21
a word to use insted of cool or koolies.
made up by tahlia
TAHLIA:hey kierans so koolio
CHARLESE:no he isnt
by tahlia November 29, 2004
9 49