Green’s Dictionary of Slang

Lost Wages n.

(US) the gambling town of Las Vegas, Nevada.

[US]E. Wilson Look Who’s Abroad Now 22: The streets of ‘Lost Wages,’ Nevada, are not like the streets of any other American city today.
[US]L. Bruce ‘The Palladium’ [stand-up script] Howdy folks, I just got back from Lost Wages, Nevada. Funny thing about Lost Wages, folks....