A few years back my friend was working away from home and she gave me her keys to look after her flat. She had loads of soft toys so I left a note for her saying 'the boys fancied a wee night. I said it'd be ok, hope they didn't make a mess'. I then got all her soft toys, lots of empty beer and half full spirit bottles, cigarettes and a pool of fake vomit and arranged the soft toys all over the living room - some in very graphic positions, some lying beside empties, one with the vodka and the vomit etc. When she came home she didn't know what the hell had happened, but she found it so funny she took tons of photos :)