Chilli vokda is vodka combined with the heat of the chilli peppers. Drinken it gives a strong cold-hot feeling that most people don't like. Chili pepper, chilli or chile pepper is the fruit of the capsicum plant native to South and Middle America. They come in a red, yellow or green color. Different sorts of peppers have different types of intensity. The intensity of a pepper is measured in Scoville heat units.