noun
oil peddler
Historical occupation; a person who sold oil, often door-to-door. Now mostly encountered in historical or literary contexts.
江戸時代には油売りが町を回っていた。
In the Edo period, oil peddlers went around towns.
noun
Idiomatic use derived from the image of an oil peddler who would stop and chat, wasting time. Used to describe someone who is loafing or not working diligently.
That guy is always loafing around.