John Bull Look up John Bull at Dictionary.com
"Englishman who exemplifies the coarse, burly form and bluff nature of the national character," 1772, from name of a character representing the English nation in Arbuthnot's satirical "History of John Bull" (1712). Via a slurred pronunciation of it comes jumble (n.), London West Indian and African slang word for "a white man," attested from 1957.