ingogo, n. — Green’s Dictionary of Slang

ingogo n.

also nongogo

[Zulu ingogo, a half-crown or 25 cents]

(S.Afr.) a cheap prostitute.

1959		A. Fugard Nongogo (1993) 56: Nongogo: a woman for two-and-six, a term especially used of prostitutes soliciting amongst the lines of gold-mine workers queuing for their pay.
1974		A. Fugard Dimetos and Two Early Plays (1977) 58: Nongogo: a woman for two-and-six, a term especially used for prostitutes soliciting amongst the lines of gold-mine workers queuing for their pay [DSAE].
1982		Sun. Times (Jo’burg) 28 Nov. (Mag. Sect.) 17 : Women who frequent hostels are mainly ingogos which is the word for those who can be lured for 25 cents [DSAE].