Expresses surprise or disbelief.

Do not discharge a weapon. Used originally for weapons needing a spark or lighting of a fuse to ignite gunpowder; now sometimes used to mean any weapon launching a projectile.

To refrain from criticism.

(idiomatic) Positively; from a favorable view or perspective.

Alternative form of caught with one's pants down

(Ireland, informal, idiomatic) Common sense.

(Ireland, informal, idiomatic) to stop behaving immaturely; behave, grow up. / (Ireland, informal, UK, dialect) to come to understand; twig, cotton on

(set theory) The second of the transfinite cardinal numbers; according to the continuum hypothesis, it corresponds to the number of real numbers.

(idiomatic) The limit of one’s patience, when one is so frustrated or annoyed that one can no longer cope. / (idiomatic) The point at which one has run out of options or the ability to delay.

(idiomatic, imperative) To keep something secret.