Green’s Dictionary of Slang

an affectionate form of address, esp. to a woman; thus a girlfriend.

1959		J.M. Meiring Candle in the Wind 113: Someone bumper into her. ‘Sorry, Bokkie,’ he said, leering at her.
1962		A. La Guma Walk in the Night (1968) 22: ‘Where are you off to, bokkie?’ ‘Bioscope.’.
1973		J. Cope Alley Cat Stories 86: O my heart, my sugar bokkie, I love you so.
1975		S. Roberts ‘Cleft Stick’ Outside Life’s Feast 90: She stood so soft. A bokkie. Afraid.
1980		E. Patel ‘Haanetjie in front of Buckingham Palace’ in They Came at Dawn 48: There! can’t you see that blerry whitey / met a black bokkie? see them holding hands.
1990		R. Gool Cape Town Coolie 131: ‘Don’t you want me, bokkie?’ she asked.
1990		J. Naidoo Coolie Location 79: You’re the only one amongst us who hasn’t got a bokkie. Veegee and I have found someone for you – a really nice girl, with lekker legs.
2010		‘Lekker Language Tips for Visitors’ in IOL News Online 12 Oct. 🌐 Bokkie — a term of endearment, comparable to ‘sweetheart’, ‘honey’.