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An exclamation following a flatulence that most likely contained large amounts of gas and particulate matter under heat and pressure.

A casual phrasing to laud one's expulsion of hot, moist and unsanitary bodily gasses.
After releasing a large, loud and wet volume of air from ones bowels, they may say "....and so the universe began."

See also "FudgeHorn!"
by Dry Rubber Chicken July 21, 2010