Alternative form of away with the fairies

(idiomatic) Not all there; slightly crazy. / (idiomatic) Synonym of lost in thought; distracted or daydreaming. / (idiomatic) fast asleep

Alternative form of caught with one's pants down

(idiomatic) To act or make purchases for status or image rather than out of need, especially for the purpose of competing with friends, neighbors, or society.

(transitive, idiomatic, informal) To abolish; to put an end to; to eliminate. / (transitive, idiomatic, informal, euphemistic) To have someone killed.

(idiomatic) To solve two problems with one single action.

To get away, or escape, taking (something) with one. / (idiomatic) To escape punishment for doing something objectionable.

(idiomatic, euphemistic) Not telling the whole truth, especially in order to present a false image of a situation; untruthful; lying. Often used with sarcasm or satire.

(American spelling, idiomatic) Extremely well; in an exceptional, noteworthy, or extraordinary manner.

(of a hit record) That has entered the charts in a high position, or has climbed rapidly in the charts, or is thought to have the potential for further rapid advancement.