This will so out me, but I must add Fire Extinguisher to the list of shockingly behaved appliances.
Was mooching around a well known high street book shop, in my electric wheelchair.
Went to look at some nice notebooks and realised that I could not get round the end of the aisle, due to a display at the end.
No problem, thinks I, I will just reverse back the way I came.
As I reached the entrance to the aisle and started to execute a perfect 3 point turn, I heard a very loud wrenching/cracking noise, followed by a BANG!
I turned around in my seat and saw a stupid, bastarding Fire Extinguisher laying on the floor behind me, covered in dust, waving its little black nozzle, saying 'help! I fell!!' Not only had it 'fallen' off the wall, but it had also decided to rip the wooden board that it was attached to the wall off too, leaving a hole in the wall and a number of screws decorating the flooring area, for good measure.
By this point, every single person in the entire store was frozen and staring at me and all I could do was slink out of the shop (as best one can in a wheelchair), muttering apologies and something about 'sneaky red things'.
Arse!