Flatulent means having flatulence, or caused by flatulence — the adjective of intestinal wind. A flatulent patient suffers bloating and wind; a flatulent food — beans, cabbage, onions — provokes them. The word does clinical duty in gastroenterology, describing the symptom pattern of IBS, malabsorption, and simple dietary indiscretion, and culinary duty in menu planning, where the cook knows which ingredients will trouble sensitive diners. The underlying physiology is fermentation: undigested carbohydrates meeting colonic bacteria, producing the gases that distend and embarrass. Treatment is dietary before pharmaceutical — identifying the flatogenic foods, adjusting fibre gradually, considering enzyme aids like alpha-galactosidase for beans. A blunt, honest word for one of digestion’s most democratic experiences.