The phrase "King of" is used to indicate that someone or something is the best, most skilled, or highest in rank within a particular category. Full definition
He's been chosen to sit on the throne, reigning as king of the isolated, technologically advanced African nation. (freshfiction.tv)
And so, from these wonderfully disparate influences we have «Kings Of Summer,» a crockpot of comedy and coming - of - age film without a trace of irony. (indiewire.com)