Infancy, Childhood
Super poop is a super power you have in infancy. Those in infancy have the power to poop at will, whenever and wherever they please. Infancy poop power!
Infants poop a lot. There's poop everywhere. The powerful aroma overwhelms you. Eww. Also refers to childhood, when you still have some of your poop powers, but they're already starting to go away.
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おさな
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In infancy, one eats a lot of soft foods, such as yogurt (よう). Yogurt is the food item above all others that grants superior pooping power.
See this infant gobbling up all the yogurt he can get his grubby little hands on. Soon, he begins to poop all over the place. Hear the infant screaming, "Goo-goo! Yogurt poop power! I'm a baby! Wahhhh!!"