Foop: (noun) a mixture of partially digested food and feces that remains in the large intestine above the level of the belly button, rather than being fully excreted.
I had been feeling constipated and in pain, it was foop blocking the way.
I had this weird feeling in my stomach and it turns out I had a foop.
I went to the doctor and he said I had a lot of foop in my intestine.