In July 1992, at Kings Park stadium in Durban, fans shouted “Bafana bafana” [GO BOYS GO BOYS] when South Africa was on the verge of beating Cameroon and after the game. A group of three journalists, from South Africa newspaper The Sowetan , then began to use the name in print when referring to the team.
: https://en.wikipedia.org/wiki/South_Africa_national_football_team