The Jukskei River in Gauteng, South Africa.

The name is taken from boerewors (Traditional South Africa sausage used as a reference to the Afrikaans language) and the Iron Curtain (The border between communist East and Capitalist West during the Cold War)

This river lies between Pretoria(largely Afrikaans speaking) and Johannesburg (largely english speaking).

Boerewors Curtain refers to the river that lies between them, You are going behind it when you cross the Juksei river from Johannesburg and emerging from it, crossing from Pretoria.

The language barrier between the two cities.
We just crossed the Boerewors Curtain, *Nou kan ons weer afrikaans praat.

*Now we kan speak afrikaans again.
by afridaan February 12, 2011
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The invisible line separating English-speaking South Africa from Afrikaans South Africa. It is generally accepted have KZN, Joburg and the Cape on the English side and the Freestate, Limpopo, Mpumalanga, Northwest and Pretoria on the Dutch side.

The name is taken from boerewors and the Iron Curtain (The border between communist East and Capitalist West during the Cold War)
There goes Koos. Now there's a Dutchman from well behind the Boerewors Curtain
by George McBob April 29, 2009
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