lol - so true!
You should check out this page, "overheard in Dublin":
https://twitter.com/overhearddublin?lang=en
One of my favourite was years ago, it went something like this. Italian guy tryin to chat up Dublin girl "You are so beautiful, in my country you would be a princess", Dublin girl "And in my country you would work in a kebab shop".
Good Craic!
Just a bit of banter!
There reason its called withering criticism!