John Bull
A personification of the United Kingdom, though some insist that he only represents England. John Bull is roughly analogous to Uncle Sam in the United States. This term is also used as slang for a person from England.
Guy 1: Why's that guy talk like that? Does he have some sort of speech impediment?
Guy 2: Nah, he's just a John Bull. They all talk like that.
Guy 2: Nah, he's just a John Bull. They all talk like that.