piss pots
The seemingly unlimited supply of empty camera film containers which we found in Mrs Bailey's classroom. These were urinated into, then left in a hidden spot for several days, so that they may mature. After this, the contents were emptied in a place where they would have most effect. A bald teacher walking underneath a window got a soggy head. In retrospect this was quite unacceptable behaviour.
written by Ti*Or , approved by Log
This survives in a different form amongst adults. When you're in a skaggy student nightclub, you can deter the "I'm so poor I steal beer and there's no such thing as theft actually, if anything you stole that beer from society in the first place and I'm just reclaiming it" wankers by leaving untended pint pots of your piss around the place, and waiting, hoping, praying, that some cunt will steal it. I'm sorry - I just turned into Punt and Dennis.
written by Jo* Bly*h, approved by Log
Someone who went to the same university as me used to complain endlessly about the fact people kept stealing his milk from the shared fridge. Then one day he had a bright idea: he stuck a post-it note to the bottle proclaming "I spat in it." The next day, someone had added underneath "So did I".
written by Bl*rt S*ar*, disapproved by Phil