king of the hill

drama king

An overly or exaggeratedly dramatic person, especially a man or a boy.

fit for a king

Lavish; luxurious.

hill to die on

An issue to pursue with a wholehearted conviction or a single-minded focus, with little or no regard to the cost and no intent of equivocation or compromise.

king of all one surveys

Possessing governing authority over a range of territory; having decisive control or oversight over all major matters within one's ambit of influence; having a satisfying position of respected leadership or comfortable prestige.

king of beasts

The lion.

king of birds

The eagle.

king of the castle

A person who assumes a position of greater importance, authority, or prominence than others.

King of the Jungle

The lion; Panthera leo.