Not my prank but I wish it had been. It was April 1 (it's called April Fools Day in the UK and I don't know if it's a thing elsewhere but we all try to outdo each other with crazy pranks whilst trying to avoid being pranked at the same time. Good fun!) and my mate (Macca) was up for the challenge. He rang up another guy (Jonesy) and says 'My car has just packed up, is there any chance you can come and get me?'. The thing was he claimed he was at a services 30 miles away. Jonesy jumps in the car and belts up the motorway for half an hour and arrives at the destination. No sign of Macca. So he rings him; 'where are you mate, I can't see you?' at which point Jonesy lets on that he's been pranked on a grand old scale! Jonesy has since passed away so I'll dedicate this to his memory even though he was absolutely livid at the time, he always loved a good laugh.