king of the hill
Pronunciation:
noun
Definitions
A children's game in which one player stands on top of a hill or other location atop an incline, and attempts to repel other players whose goal is to capture his position.
Example: He twisted his ankle while playing king of the hill and was not allowed to play again.
Synonyms:king of the castle(by extension) A person who has achieved a measure of success and is considered to be a leader in his field.
Example: He was considered a renegade in journalism until he won the Pulitzer Prize, but now he is the king of the hill.