Image 1 of 10 from PetLoo – the backyard in a box

August 28, 2006 Firstly, if you haven’t heard the term LOO, it’s a polite expression for the toilet, having derived from a practice common in England by people who lived on the second and higher floors of apartment buildings prior to the advent of a sewerage system. Just prior to throwing the nights ablutions out the window and onto the footpath below, they would ever so considerately shout “look out belOOOO” to warn pedaestrians, which became shortened to LOO. All we can say is thank heavens for plumbing. Anyway, the PetLOO is an aptly named ablution solution for canines who live in apartments because dogs don’t use the human sewerage system (though cats can learn), and when a dog’s gotta go …