noun: a small, unimportant town.
Podunk is the name of a river and a native tribe in Connecticut. Over time the name came to be used for several small towns including a mythical small and insignificant town.
Earliest documented use: 1657
Usage (from Wordsmith)
“His spin on ‘America’s Next Top Model’: take two wannabe club kids from Podunk towns and with no money, plunk them down in New York with $1,000.”
Kevin Gray; After Prison, No After-Hours; The New York Times; May 15, 2014.