poo tubing
When a man and woman, (or two men or two women) put a tube up their arse so they are joined by their anus and the tube and shit into the tube to make a mixof poo or alternatively shit up their partners arse.
Steve was going to the movies but decided to stay home and do some poo tubing with his dog
poo tube
The tube between your arsehole and bowel.
Don't mess with my poo tube.
Poo-Tube
The act of sitting on the toilet for an extended period of time to browse the Internet on one’s Smartphone.
“I’m going to poo-tube for a bit to cleanse my bowels and mind.”
“I really need the bathroom, but I think someone is poo-tubing in there..”
“I really need the bathroom, but I think someone is poo-tubing in there..”