Quote Originally Posted by Dashing Bob S View Post
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First, where did that phrase, to denote not getting away from the job, originate from?
The most likely explanation goes back to the horse-driven omnibuses of 19th Century England. Drivers of these omnibuses grew attached to thei team of horses pulling carriages through towns. On their days off, many of these omnibus drivers would disguise themselves as regular passengers in order to keep a critical eye on the relief drivers and the horses