Definitions by yayayayacrazygirl

coolio 

synonym to cool, rad, narly, sweet, awesome, ect.. Something to say when you're excited about something, but to cool to squeal and show emotions.

Girl 1: Check it out! Selena Gomez is preforming in Portland!
Girl 2: Coolio!

coolio by yayayayacrazygirl January 24, 2013