This article is from the AC/DC FAQ, by Phil Rose acdcfaq@yahoo.com with numerous contributions by others.
The "smoke" is an Australian slang term for the big city. When Bon
wrote "Well I, left my job in my hometown, and I headed for the
smoke...", he was referring to the fact that from a small town miles
away across the Australian plain, a city could be located by the
pollution it generated. So, "headed for the smoke" meant "headed for
the city."
 
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