...you're disruptive on trains. I got one of those 'Balrog Battle Gandalf' action figures the other day and it has a sound function, a very LOUD sound function. So I'm sitting in the quiet coach at Doncaster station and what do I do but set the thing off?
"You shall not pass!" , complete with echo, bellows down the carriage and a few minutes later the guard comes along reminding everyone to be quiet.