cow-spanker

A dairy farmer or stockman. (New Zealand origin)

The man whom spends time with cows on their last night on the farm before being sent to a slaughterhouse. (American Origin)

"Forget going to this place called Walmart...I'll hit up the cow-spanker down the street for milk". (NZ)

Guy One: "Damn...that sucks for John."
Guy Two: "Why...because he has to stay late?"
Guy One: "No...he's the cow-spanker this week..."
Guy Two: "He is either going to love or hate that steak dinner tomorrow!" (American)