Green’s Dictionary of Slang

(S.Afr.) a cigarette end.

1946		cited in Partridge DU (1949).
1981		V. February Mind your Colour 158: The following slang expression [...] endjie (a cigarette stub).
1986		K. McCormick in Burman & Reynolds Growing Up 302: Amanda’s got two teeth out and then the children shout at her ‘entjie bek!’ [‘cigarette mouth’] [DSAE].
1998		‘Surfrikan Sl.’ on Wavescape.co.za 🌐 Entjie (A cigarette or a joint) as in ‘Score me an entjie bru’.
2005		A. Lovejoy Acid Alex 54: I gave everybody else a packet of entjies.