Poop Aloof
When one is too shy to poop at a friend's house, and must resort to coming up with lies and excuses to go back to their house in order to take care of business.
"Homie says he went home to check on his cat, but I'm pretty sure he went home to take a dump."
"Why didn't he just go here?"
"Because there's only one bathroom and he's poop aloof."
"Why didn't he just go here?"
"Because there's only one bathroom and he's poop aloof."