Adjective... also called `cute` but this is a cuter spelling of cute therefore making it even cuter than cute.. can be used to describe anyone or anything.
Emily: wow Matt Bellamy is cyoot
Dom: gosh yes, hes the cyootest ever!
Emily and Dom: awwwww Matt
Something being so overly cute that you add a "y" and an "oo"!!! Property of TBC.
"TBC's property ownership of the word "cyoot" sure is dandy.