Failure

The floor of a Weight Watchers clinic in Sweden collapsed beneath a group of 20 members of the weight loss programme who were gathered for a meeting. 

As the dieters queued to see how many pounds they had shed, the floor beneath them in the clinic in Växjö, in south-central Sweden, began to rumble, according to a report in Sweden's English-language newspaper.
"We suddenly heard a huge thud; we almost thought it was an earthquake and everything flew up in the air.

Some things are just funny.  The rest here.