Complete control of a situation; a stance that cannot be controlled or restrained by anyone else. / A large degree of focus and commitment to a task.

(informal, UK) Emphatic form of fed up: very frustrated, annoyed, tired.

Alternative form of rarer than hens' teeth

(idiomatic) Extremely rare

To accuse someone of something, or reproach them for it. / To fling some remark at someone, such as a taunt or a challenge.

Synonym of cast something in someone's teeth

Of no consequence to one.

To irritate or strike as unpleasant. / To cause a disagreeable tingling sensation in one's teeth, as when acids are brought into contact with them.

present participle of set someone's teeth on edge

Third-person singular simple present indicative form of set someone's teeth on edge