Cecil strays into Mythbusters territory.

How much flatulence would it take to become airborne?

Assuming a robust 375 milliliters of flatus per emission, we computed the necessary exit pressure at 3,680 pounds per square inch. Problem is, your gut will rupture somewhere north of four pounds per square inch. Alternatively, if we took four PSI as our limit and instead ramped up the propellant volume, we discovered we needed 500,000 liters of gas. The observed volume of the human intestine is on the order of five liters.

"I don't think he's got it in him," Una concluded sadly.