11. Hell Mend Ye!
Stabbed? Nah, you’re fine; you’ll probably get a Glasgow Kiss at the worst if you make such a foolish mistake. What’s a Glasgow Kiss? Well, it’s a headbutt. So maybe still not a great idea to lump people together like that.

You might as well say Germans and French are the same if you were doing that, or that folk from the USA are the same as Canadians. There are similarities in culture, but there are differences as well. Sometimes, it’s harder for a foreigner to see the distinctions immediately if they’re unfamiliar with it, though.
