1.Drive up to Mcdonalds past the order box
2.wait till someone behind you makes there order.
3.Wait about 30 seconds and drive up to the 1st window and say you forgot to order and are going to drive around again.
4.then drive to the 2nd window and by the time you get up there they will have the food ready and in mistake the Teenage(most likely) worker will give you the food and gratz the guy behind you payed for your food and you got it his food enjoy.
This is for educational purposes only I am not responsible if you get caught.
EDIT:I don't even know who Remi Gaillard is XD