What's the worst experience you've had with a toilet?

Not me, but a friend of mine.

A group of us all decided to go on a camping trip with our respective significant others.

His girlfriend tells him she will not go unless they have a toilet, so he goes out and

buys a portable, chemical toilet.

He also buys a new tent for them to use and retire the old tent to be the bathroom.

He sets the toilet up in town on the valley floor, fills up the fill tank with the blue chemical fluid.

He tests it to make sure it works properly.

The operation is simple.

You pull a lever which opens a flap in the bottom of the toilet.

The evidence is dropped through the flap and a second valve drops fluid down the sides of the toilet into the evidence is dropped through the flap, and a second valve drops

fluid down the sides of the toilet into the open flap, flushing all remaining evidence into the lower

tank. The flap then returns to its original position, creating a nice, airtight seal,

preventing the contents of lower tank from disturbing your precious sensibilities.

We drove all the way up to the top of the mountain and set

up camp. We have a fun day of eating camp food, drinking beer and having fun. It's now probably

close to midnight and pitch black. My friend is the first one to need to use the new bathroom

with the new 20th century chemical toilet. He excuses himself and proceeds to thoroughly test the

storage capacity of the upper

bowl. He pushes the lever to open the flap to the lower sealed tank and immediately he gets

a lesson on air pressure displacement as the 7,000 or so feet higher elevation has resulted in a

much higher pressure inside the waste tank than the air outside. There also appears to be a slurry of liquid and solid

...