(idiomatic, Britain) To be particularly bad, objectionable, or egregious. / (idiomatic, Canada) To be of no further use; to be near death.

(idiomatic) Of a telephone, to ring constantly or excessively.

(chiefly US and Australia, informal, figuratively) To study, especially with particular intensity.

(computer science) The study and classification of decision problems by the computational resources—such as time and space—needed by the programs that solve the problems.

(simile, colloquial, Ireland) Furiously or vigorously, repeatedly.

(boxing) the pre-fight measurements made of the combatants / (by extension) statistics given to compare two people or entities

(idiomatic) To explore or probe, as before making a commitment.

Nothing is impossible or out of reach.

(idiomatic, slang) Someone or something which is annoying, irritating or inconvenient.

(idiomatic) Entirely or extremely; to the greatest degree possible.