Exactly like "prairie dogging" except for diahrrea. It is when you are holding in a violent case of the diahrrea shits, kind of like plugging a geyser.
Holy shit I am geyser plugging so badly right now, I need to get to a bathroom ASAP.
Choco Plugging, the sex act of using frozen Coco puffs and a string and inserting them into your personal prison wallet then retrieving later for your partner to enjoy.
Leta routinely engaged in chocoplugging because she knew Zeus appreciated the gesture.