A drink combination of a Mexican associated bottle of beer and a shot of Whiskey in the neck of the bottle. WIth or with out salt on the neck or in the bottle and a lime.
The first peole to come to the United States that did work for far cheaper than the land's native people were the Irish. Thus, making them the first people to be considered a "wetback" being as they crossed a body of water in search of work.
Hey Barkeep! Let me get 2 Irish Wetbacks, dressed (w/ salt on neck and lime).