Well it was when i was 13 i think maybe 12.
Me and a group of friends went to the swimming pool one day and whilst i was in the shower washing myself off and that, i turned around to find no tail on the handle, no trunks on the floor, none of my clothes where they where and no friends around, they all disapeared to the reception desk to say someone messed up the changing rooms and a woman cleaner came in, i refused to come out the shower but had to in the end lol :$.
My mates still say to me now, watch you clothes when i go swimming lol, but we got the ring leader of it all back a couple of weeks later :P big time :O