1 definition by mickydee

Top Definition
Adapted from the word cool. Used to show you care about something but not enough to make a full-fledged comment on it.
Melissa: I think I'm getting a new hamster!
John:(doesn't really care about the new hamster that much) coolio.
#coolio #cool #nifty #ok #coolyo #cooleeo
by mickydee March 14, 2008
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