The word does the explaining. Shisa — to burn. Nyama — meat. What it does not tell you is that it describes a place as much as a method.
A shisanyama is somewhere you buy meat raw, hand it over, and wait while it cooks over coals a few metres from where you are standing. You are not served so much as included. The distinction matters, because it explains why the format has proved so hard for conventional restaurants to copy.
A business model hiding in a cooking method
The economics are unusually forgiving. The capital requirement is a grid, a fire and a butcher's licence. There is no front of house, minimal waste, and the customer absorbs the wait. For a great many South African food businesses this has been the most accessible entry point into trading — which is why shisanyama spots cluster where other hospitality has historically found it hard to establish.
You do not book a table. You arrive, you buy, you wait, and by the time the meat is ready you know the people next to you.
What it is not
It is not the same thing as a braai, though the two are often collapsed together. A braai is domestic and hosted — someone owns the fire and someone is a guest. A shisanyama is commercial and communal. The fire belongs to the business; the afternoon belongs to everyone.
Why it travels
Because it scales down as easily as it scales up. Two customers or two hundred, the method is identical. That flexibility is why it survives economic conditions that close more formal establishments, and why it remains among the most recognisable ways South Africans eat together.