>>5701730Go as a customer, and make a large order of 10 sandwiches, during peak lunch hours. Order EVERY sandwich special order with something different than how they are standard on the menu. Then when those wagies obviously fuck up some, take em back and tell em to do it over. Laugh as the line backs up out the door.
Being a newly NEETfag, it might be out of your budget, you could just go in the bathroom wearing a disguise and take an Upper Decker (a dump in the top part of the toilet).