Bloke is a slang term for a man common in Ireland, Australia, the United Kingdom, New Zealand, and South Africa.The earliest known usage is from the early 19th century, when it was recorded as a London slang term.n Australia, where it was used early on, the term meant the boss or someone of status. Sources report that in the US the term was in use by the late 19th century, although it is much less common now, and mainly is used in the sense of stupid or worthless person.