Typically, "man" or "guy". It's origins are unknown, but it is unlikely to have come from the the Midlands in the UK, as suggested by one user. It is used commonly in the UK and Australia, although it has usage in Canada and the USA too.
It's earliest recorded usage was in Cab Calloway's 1931 recording 'Minnie The Moocher' where he sings "She messed around with a bloke named smokey, she loved him..." It has been used more frequently in Kanye West's collaboration with the UK's Estelle
1) I met a bloke in the pub
2) That bloke is pissed
3) Watch that bloke over there
4) That man's really blokey