plural of delusion of grandeur

(idiomatic, UK) To meddle; to stick one's nose into (something)

(usually in the plural) The false belief that one is important or powerful, accompanying certain mental disorders. / (usually in the plural) Conceitedness or overconfidence.

(astronomy, optics) An optical system in telescopes that reduces atmospheric distortion by dynamically measuring and correcting wavefront aberrations in real time, often by using a deformable mirror.

Of a projectile: missing the target. / (idiomatic) (Very) inaccurate.

Alternative form of mother-of-pearl

plural of son-of-a-bitch

(idiomatic) All or nothing. Probably derived from "shoot duck or no dinner".

The act of one caring for or one's interest over something.

(dated) To drink the entirety of in a short period; originally and especially, in a single gulp.