(idiomatic, Britain) To become frightened or disturbed.

(idiomatic, Britain) To be frightened or disturbed.

(idiomatic, transitive, Britain) To frighten or disturb.

(UK, colloquial) One who enjoys winding others up in the sense of making fun of them or playing practical jokes.

plural of wind-up merchant

plural of wind-up radio

A portable radio which can operate where no external power source is available, and is activated by a winding mechanism.

An automaton toy powered by a clockwork motor.

plural of wind-up toy

(idiomatic, obsolete) To finish a job.