biltong curtain, n. — Green’s Dictionary of Slang

biltong curtain n.

[SE biltong, salted, wind-dried meat, a S.Afr. national foodstuff + a pun on SE iron curtain]

(S.Afr.) a joc. name for the borders of pre-independence South Africa.

1979

Daily Dispatch (S.Afr.) 12 May 6: The subject is a hot one beyond this biltong curtain [DSAE].