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

by butterflyprincess1 July 03, 2008

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
