An Australian, an American, and an Irish builder...
...are sitting on top of the (unfinished) 18th floor of the building they've been working on, eating their lunches.
The Australian man pulls out a vegemite sandwich, and he says to the other two, "If i get another vegemite sandwich tomorrow, I'm going to jump off this building. I'm sick of this vegemite."
The American man next to him, with a horrified look on his face, pulls out a hotdog. He says, "I agree. If I get another hotdog tomorro…