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 tubing by sphraoncntoonr December 4, 2010

pootubing 

The act of browsing and watching youtube videos while sitting on the toilet.
Usually achieved by using a mobile or laptop.

Friend 1: BRB need the loo

(15 mins later)

Friend 1: Back

Friend 2: What took you so long

Friend 1: Sorry dude. Was Pootubing

pootubing by Trippy_xD April 17, 2011

PooTubing 

Enjoying youtube while taking a poo

Matt: Hey Joe, where you going

Joe: Going to do some PooTubing

PooTubing by Ferris Mcfly April 14, 2011

pontubing

Tubing behind a pontoon boat.

Let's do some tubing behind the pontoon boat,, otherwise known as pontubing.

pontubing by Shottscore December 1, 2020