You mess with a man's toilet paper, you mess with his sanity. Think of it now: you down three extra spicy gas station burritos, you feel a rumbling in your stomach, yadda yadda yadda, you reach for the toilet paper, and...what is this tomfoolery? I go under, it goes under. NOTHING MAKES SENSE ANY MORE. *shoots self*
Such is the evilness that lurks in the "Lavatory Paper Prank." Here's a step-by-step guide.