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1.
1) The escape of air from one's swimsuit while underwater, making a fart-like noise.

2) The bubble that appears in one's swimsuit after they emerge themselves underwater.
His swimsuit became floatulent as he sank into the water, creating a donut like ring of air in his swimtrunks.
by Red Smithery February 18, 2014

Words related to Floatulent

fart flatulence gas swimming swimsuit