by butterflyprincess1 July 03, 2008

cool guy: Is cooliosos your new contribution to the language, like super mega awesome? It might catch on..
by docmcsnoodles November 20, 2010

Hawaiian for "major douchebag". Pronouced "cool-e-o-so".
by Mondo Coolioso May 07, 2011

"Sherly is acting soooo coolioso with posting those badly synced dances to stupid pop songs on Tiktok."
by rrrrrrrrgh March 30, 2023
