It can be a mean and unforgiving old world out there, and few people know that better than those who have to work with the general public. Hell hath no fury like an entitled customer ready to yell at a minimum wage worker , who more often than not has a lot on their plate before someone decides to get angry. To make things worse, many of those working in the hospitality industry are dependent on gaining tips and they are not always as generous as they could be. This is something which TikToker …