If you work or have ever worked in the service industry, it's no secret that one of the worst parts of the job can be the people you have to deal with every single day.
Here's proof that customers can be some of the dumbest people on the planet:
1. On pizza sizes:

2. On fries:

3. On milkshakes:

4. On McDonald's:

5. On bones:

6. On fresh turkey:

7. On price tags:

8. On closing time:

9. On lemons:

10. On wings:

11. On salad:

12. On special glass:

13. On shades:

14. On black coffee:

15. On martinis:

16. On the kid's menu:

17. On fine wine:

18. On straws:

19. On plates:

20. On lending a helping hand:

21. On ice:

22. On Uncle Arnie:

23. On multiplication:

24. On returns:

25. On email:

26. On axes:

27. On closing:

28. On Legos:

29. On fridges:

30. On movie sequels:

31. On thickness:

32. On sending items back:

33. On lemonade:

34. On tipping:

35. On opening:

36. On controllers:

37. On tiles:

38. On wings, again:

39. On water:

40. On change:

41. On BLTs:

42. On rare cats:

43. On prices:

44. On chips:

45. On paying:

46. On dessert:

47. On subs:

48. On staff:

49. On working holidays:

50. In conclusion:
