p-poo
When you're trying to go all the way during butt sex, but you hit something weird and have to pull back, even though you're still kind of stuck.
'He tried to go all the way, but he hit a p-poo and had to pull back.'
She said he had a p-poo moment when he hit something weird.
He was halfway in, but he had a p-poo moment and had to back out.