How do you spell Flatulent

Available Definitions:
1)  a. - Affected with flatus or gases generated in the alimentary canal; windy.
2)  a. - Generating, or tending to generate, wind in the stomach.
3)  a. - Turgid with flatus; as, a flatulent tumor.
4)  a. - Pretentious without substance or reality; puffy; empty; vain; as, a flatulent vanity.