by libragirl April 21, 2008
by samming January 12, 2009
by Harry Hoar May 12, 2012
something you say to a person that bores you, but you want them to seem like you're actually interested in what they're saying.
Person 1:"hey did you know that plants go through photosynthesis? also they produce oxygen for us to breathe!"
Person 2:"really? that's so coolio!!!"
Person 2:"really? that's so coolio!!!"
by RAndOm_PeRsON*^_^* October 28, 2009
Coolio, derives from the word, cool, as an adjective that describes someone who you desire mostly. People or inanimate objects such as the PS3 would be described as coolio
by CHANTHONY December 19, 2006
by Da Prince of Crunk March 22, 2007