Affected with or characterized by gas, or excessive gas, in the the stomach or the intestinal tract: Floyd knew his tendency towards being flatulent and likely to fart, so he avoided pizza with onions or cabbage soup, for example, especially when being with others in a restaurant.

Dyspepsia (ingestion) marked by a sensation of abdominal fullness; gaseous dyspepsia: The condition of flatulent dyspepsia may produce an excessive eructation of gas, better known as burping or belchingm, that means casting up wind (expelling air noisily) from the stomach through the mouth.