Synonym of king of all one surveys

(idiomatic) 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.

(figuratively) Using one's own funds.

Synonym of lower one's guard

Synonym of keep one's guard up

Used to show a relevant fact that is unknown to a person, or that the result or sequence of events differs greatly from what one had expected with the little knowledge he or she had about the situation beforehand.

Synonym of take one's business elsewhere

Synonym of put one's feet up

Synonym of lay down one's arms

simple past tense and past participle of get one's knickers in a twist