(idiomatic, intransitive) To move backwards, especially for a vehicle to do so. / (idiomatic, transitive) To move a vehicle backwards. / (idiomatic, intransitive) To undo one's actions.

(idiomatic, informal) In a state of heightened mental preparedness for a difficult or hazardous enterprise, or one where success is particularly sought.

(informal) Finished; having no future in a particular role; no longer capable, effective or needed.

simple past tense and past participle of wash up

(Britain, transitive, intransitive) To clean the utensils, dishes etc. used in preparing and eating a meal. / (US, intransitive) To wash one's hands and/or face, often around mealtimes.

The act by which something is washed. / (informal) Something or somebody that is washed up; a has-been. / (military, slang) A meeting to gauge the success or failure of an operation or war game.

(Britain, informal) To put up trimmings, especially at Christmas.

Cheers! (the drinking toast)

(colloquial) One who flatters a supervisor, or superior, in order to get special attention

(nautical) Of a ship: at a distance such that the hull is visible above the horizon.