(idiomatic) One's requests or orders must be fulfilled.

(idiomatic, chiefly US, Canada) A person (or organization) who often expresses a strong opinion or viewpoint on a single subject or a few particular subjects.

(idiomatic, chiefly imperative) To refrain from speech; to be quiet, especially where it would have no useful effect to speak.

(informal, vulgar) To wet oneself; to urinate in one's own clothes while they are being worn. / (informal, vulgar, idiomatic) To laugh uncontrollably.

(intransitive, informal) To be knowledgeable in a particular field.

To speak frankly about a given topic, not withholding one's opinions.

(idiomatic) To willingly accept the premise of a story or work of art, usually for the sake of enjoying it.

(chiefly UK) To keep in practice.

(obsolete) At speed; moving rapidly.

(idiomatic) The means of one's own punishment or downfall.