work like a horse
Verb
Meaning
work like a horse (third-person singular simple present works like a horse, present participle working like a horse, simple past and past participle worked like a horse)
(simile) To work very hard; to toil.
Synonyms
overwork
lucubrate
elucubrate
work like a mule
work like a dog
work like a Trojan
work like a nailer
Examples
The only time some people work like a horse is when the boss rides them.