Common anti-diarrheal medication (e.g. Kaopectate, Pepto Bismol), but utilized solely for the purpose of obtaining a longer bowel movement during a blumpkin. This is incredibly helpful for avoiding a premature shit during a blumpkin. Can be used in tandem with viagra to maintain maximum blumpage.
"Maintaining a bowel movement is just as important as getting one. DIAGRA can help with both. This can lead to a more satisfying blumptual experience with your partner."
"My girlfriend and I decided that we were ready for blumpkins, so I took Diagra to maximize the effect."