Green’s Dictionary of Slang

1. (S.Afr.) King William’s Town, Eastern Cape; once capital of the provinces of Queen Adelaide and British Kaffraria.

1880		F.G. Browning Fighting and Farming 118: He was immediately sent on to the hospital at ‘King’ [DSAE].
1897		G.A. Parker S. Afr. Sports 14: Cape Town, King, and Kimberley took part [in the journey] with the Bayonians [DSAE].
1913		C. Pettman Africanderisms 260: King, Abbreviated form of King William’s Town in general use.
1923		B. Ronan Forty S. Afr. Years 80: At length we lumbered into ‘King’, and I made the acquaintance of my new comrades [DSAE].
1956		M. Rogers Slack Sash 169: From ‘King’ the convoy [...] will make its way to the Cape via Grahamstown, Port Elizabeth [DSAE].
1973		Weekend Post 27 Oct. 2: A train service was also available from East London [...] on race days at ‘King’ [DSAE].

2. (US black) Burger King.

1993

J. Mowry Six Out Seven (1994) 181: My little runner off like a three-five-seven for pizza or King or KFC or whatever come to your mind.