DONKEY

[noun] [C] - a grey or brown animal like a small horse with long ears(informal) Donkey's years is a very long time.She's been in the same job for donkey's years.It's donkey's years since I've seen her.(informal) Why should I do (all) the donkey work (= the hard, boring part of a job) while you sit around doing nothing?(UK) A donkey jacket is a type of thick jacket, usually dark blue, often worn by men who work outside.See picture: Coats and jackets