BBQ is an acronym that stands for 'Barbeque.' It refers to a cooking method where meat or vegetables are slow-cooked over a low, indirect heat, usually with the addition of a smoking material like wood chips. BBQ is also a social event or gathering centered around the consumption of barbequed foods.
BBQ is a widely recognized and used abbreviation, especially in regions where barbeque is a popular culinary tradition. It is also used in online gaming to refer to shooting scores or frags.