Listen for buffalo
While on one’s knees, one leans forward and places one’s ear to the ground, relaxes one’s sphincter and takes air into one’s colon. Once the colon is cavernous, one must clinch the sphincter and seal the deal. One then clinches the stomach muscles, forcing the air back out into the local atmosphere with a loud farting noise.
He bent down to listen for buffalo, the air surged into his anus and then roared back out with fury.