Star Alliance International Corp (STAL)

[Squirrely_McShitty]

Probably both. Stress coupled with success can pucker the sphincter, causing it to clench, much like the sphincters reaction to felching, or, as the kids call it today, fetch.

The tightening has the effect of suppressing the normal & healthy flow of flatus. Once the flatus has built up over several days or weeks, depending, when the sphincter clencher assumes a prone or doubled over position - especially during exertion - the supressed flarus can exit the rectum both rapidly & noisily.