The opposite of coolio. A term used to describe something you dislike or a situation that does not meet your expections.
Caitlin says "I got a haircut at Great Clips for $15. That's kind of expensive." Rachel responds "Boolio. That sucks."
by Caitlin Blissenbach February 24, 2008
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Often used after Coolio to describe the person being spoken to as a cool boy.
Nate "yeah you can head over now"
Me "Coolio boolio"
Nate "no problem homie"
by TrashGoblin July 29, 2022
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