This happens if you don’t tip the pizza guy! Similar Pranks: Hooman is not the only shampoo prankster! Here comes BookofKen! This grandpa plays football better than Messi and Ronaldo together! Do you like Pranks? resume / watch again Follow us on Facebook Follow us on Twitter Posted on 10/16/2015 - uploaded by nic – produced by Nelk How does the pizza guy feels if he does not get a tip? Now we know and can see his reaction.