What's the next trick, putting paper clips in the power points or charging up a mains rated capacitor and chucking it to your party guests to play hot potato?
Our "new guy" initiation at work was to put a turn of 1 amp fuse wire around the end of an extension cord.
When he plugged it in, it made a nice flash, pop, and some smoke, and left an indelible black smudge on the receptacle plastic.