When two people press their butts together so that their anuses form an air-tight seal, allowing for the transfer of poop and/or furry rodents.
Jill and Josie wanted to poop back and forth forever so they dropped trow and formed an airlock.
A book in the butt bible where Mos-ass farts out three sermons to the Stinkalites and then eventually chokes to death on his own stench, resulting in Joshua's ascendency.
"Let us turn to the Book of Tooteronomy," the priest said, shortly before shitting himself.
