"Kopecks" for "money" evidently comes from the Russian Jew; "girlerino," as a term of endearment, from the "dago" of the sunny south; and "spiel," meaning practically anything you please, from the Fatherland.
"America To-day, Observations and Reflections"
William Archer
If you folks don't get a cinch on that dago-lookin' Slosson feller the game's up.
"The Son of his Father"
Ridgwell Cullum
And the roomers: English, German, and American, with their horrible whiskey and their ever-lasting gibberish of "wop" and "dago," their hints and blustering invitations to join mysterious fraternities which no one seemed to understand or explain.
"Command"
William McFee