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Use "gassiness" in a sentence
"To convey to her own daughters the late Ms. Dunham's apparently boundless compassion, Ms. Soetoro-Ng indulges in the worst kind of pretentious gassiness."
"Symptoms of GI tract problems include acid reflux, diarrhea, excessive gas, bloating and gassiness after meals, and nausea."
"I am really at a loss as to what to do for his gassiness though."