In some countries like Argentina and Chile, 'choclo' is a slang term used to refer to corn or maize. It is not a derogatory term and can be used in any context where one might talk about corn.
Examples
- Spanish: Voy a hacer una ensalada con tomate, lechuga y choclo.
- English: I'm going to make a salad with tomato, lettuce, and corn.